So, you’ve decided to throw a costume party. First off, great choice! Costume parties are always a good idea. Whether you’re planning a milestone birthday party, a festive night of mystery, or just a captivating event to remember, it’s the best way to mix a little fantasy with reality and have a few laughs.

However, party planners have a lot on their plates – something you probably know all too well if you’re the dedicated organizer on the hunt for some inspo. From choosing the party venue to coordinating the guest list, it’s no easy feat. We get it, and that’s why we’ve done the legwork.

Whether you want to scare your guests or make them giggle, we’ve got you covered with adult costume party ideas for men, women, and couples that are sure to spice up your night and make your bash the event of the year. We also went the extra mile and rounded up our top costume picks for each adult party theme idea, so you can just click forward to your guests if you’re hosting.

Mystery & Horror Costume Ideas

Nothing says “fun” like a good scare. If you’re into murder mystery parties inspired by the Orient Express or the more recent Knives Out or thinking about a horror movie party that is not for the faint of heart, we hear you! 

Embrace the spine-chilling vibes for a night of secrets and mystery with these horror-themed costumes that will haunt your guests’ dreams and make for a spooky, ominous event:

• Women’s Vampiress Costume: Sink your teeth into the night with this sultry yet spooky gothic set-up. Perfect for making a grand entrance and leaving everyone mesmerized (or terrified).
• Grim Reaper: Ready to reap the night away? The classic symbol of death, this costume will ensure you’re the life…er, death of the party. Plus, it’s perfect for making a dramatic exit. It brings deathly elegance to any horror classic-themed party.
• Unknown Phantom Costume: Thinking about a murder mystery event? Step out of the shadows and fade in and out of the crowd with this haunting and mysterious costume. Ideal if you want to keep your identity under wraps.

Drinks Costume Ideas

Thirsty for some fun? Quench it with these quirky drink-themed costume party ideas perfect for all party animals out there. Let’s raise a glass or two! 

• Natural Light Can Adult Costume: Crack open the fun with this refreshing costume. Guaranteed to be the life of any party and a hit with beer enthusiasts.
• Women’s Glass of Red Wine Costume: Sip, socialize, and strut your stuff in style with this classy costume and become the toast of the town.
• Milk Glass Costume: Ideal for dairy lovers (or the lactose intolerant, if you’re feeling sarcastic) who want to add a splash of humor to the night. Because we all need a little calcium, right? This costume is sure to get a few giggles and possibly some nostalgic conversations.
• Bloody Mary Costume: Stir up some excitement with this spicy cocktail-inspired pick – a surefire way to stand out. It’s quirky, unique, and just a little bit bloody.

Food Costume Ideas

Hungry for some fun and laughs? These delicious food-themed costumes are as tasty as they are delightful. Whether you’ve got a sweet tooth for a dessert dress-up party theme or prefer something a bit saltier, we’ve got you covered with various food items you can wear as unisex costumes. They’re also a great choice for food festivals!

• Fried Egg Costume: Sunny side up? This eggcellent costume will surely fry up some smiles at your party.
• Chocolate Doughnut with Bite Costume: Sweeten the night with a choice that’s sure to make mouths water. It will have people lining up to take a bite… metaphorically, of course.
• Chopsticks Costume: Ready to stir things up? This costume is perfect for sushi lovers and anyone who wants to add an Asian-food twist to the party. A conversation starter for sure.
• Bucket of Fried Chicken Costume: Finger-lickin’ good! Serve up some fun in this costume, which is sure to bring laughs and possibly a few cravings to the party.

Sexy Costume Ideas

Looking to turn up the heat? Why not bring a little sizzle to the soirée, right? These sexy costume party ideas will set hearts racing and pulses pounding:

• Sexy Mafia Mama Costume: Channel your inner mob boss with this powerful and dangerously sexy women’s costume that’s perfect for ruling the dance floor.
• Women’s Sexy SWAT Costume: Ready to take charge of the party? This sleek and sexy SWAT costume is authoritative, fierce, and undeniably hot.
• Sexy Devil Bites Fangs: Unleash your inner temptress with some devilish fangs, ideal for anyone looking to stir up a little mischief. You can pair them up with any other costume or DIY the rest. For men who like to play a little naughty, too, a pair of fangs is smoking hot. Damon Salvatore, eat your heart out.
• Sexy Nurse with Headpiece: Anyone in need of some TLC? This seductive women’s nurse costume is just what the doctor ordered for a pulse-quickening night of fun.

Animals Costume Ideas

Animal-themed costume parties are a playful way to bring out everyone’s wild side. Whether you’re prowling as a fierce feline or hopping around as a cheeky, fluffy bunny, these furry animal-themed costumes add a fun touch to any gathering.

• Reindeer Suit with Hood: Sleigh the party with this festive, unisex reindeer costume that’s as cute as it is cozy. Ideal for the holiday season and winter-themed parties.
• Adult Bunny Suit with Hood: Why not hop into the night in an adorable bunny costume? It’s perfect for anyone looking to add a touch of whimsy and is also a great option for Easter-themed costume party ideas.
• Women’s Sweet as Honey Costume: Buzz into the spotlight with this buzz-worthy bee costume that’s as sweet as honey and twice as fun.
• Cow Costume: Moooo-ve over, plain janes! This cow costume is udderly hilarious, great for dairy enthusiasts, and a good laugh.

Famous Characters Costume Ideas

How about stepping into the shoes of your favorite characters from movie classics? From superheroes to cartoons, we’ve got some amazing character costumes lined up. Too cold for outdoor party activities? You can easily turn the night into a themed movie marathon or play themed party games related to the characters you’re wearing.

• Men’s Iron Man Muscle Chest Costume: Suit up as the genius, billionaire, playboy, and philanthropist, and save the day. It’s guaranteed to be a Marvel-ous hit. 
• Men’s Red Ranger Muscle Costume: Go, go, Power Rangers! Morph into action with the Red Ranger costume. It’s nostalgic and perfect for any PR fan.
• Miss Mikki: Cute, classic, and always in style, this costume party idea is inspired by the queen of pop culture herself. It’s great for those who want to keep it sweet and recognizable.
• Catwoman Costume: Channel your inner femme fatale with the stylish and iconic Catwoman costume – a crowd-favorite character that’s both mysterious and alluring.

Group & Couple Costume Ideas

Looking to double the fun? Make your cosplay event a couple’s thing or a group theme! Why? Because some things are just better together. These costumes are perfect for partners and groups:

• Pancake & Bacon Slice Couples Costume: A breakfast combo that’s hard to beat. This tasty duo will be cute and deliciously fun.
• Pepperoni Pizza & Pizza Cutter Couples Costume: For the love of pizza, eat the dancefloor in this cheesy and saucy costume that’s a slice above the rest.
• Deer in Headlights Couples Costume: Caught in the spotlight? Bring some unexpected humor to the party with this quirky couple’s costume. It’s clever, sure to get a laugh and have people taking a second glance.
• Handcuffs Couples Costume: Lock down the party with this cheeky couple costume. It’s playful, fun, and perfect for any partners in crime.

Mascot Costume Ideas

Looking to add a larger-than-life character to your party? Those who want to go big or go home should definitely consider our eye-catching mascots and wavers. Who says they’re just for football games?

Party Supplies to Complete Any of Your Costume Party Ideas 

No costume party is complete without the right decorations and accessories! From themed tableware to spooky decorations, make sure to visit our website for everything you need to create a memorable night. We’ve got all the party supplies and accessories you might need in one place.

Whatever theme you go for, we’ve got the setup covered, too. Whether it’s spider webs to create a creepy atmosphere, fog machines to add an eerie mist, or strobe lights to get the party vibes just right, our wide range of party props and decor will make your costume party ideas complete.

Let’s Get This Costume Party Started, Shall We? 

Whether you’re diving into horror classics, transforming into your favorite characters, or simply looking for a laugh with a food or animal theme, these costume party ideas guarantee an extraordinary celebration. So, forward the dress code memo, then simply visit Hollywood Toys & Costumes to dress to impress and let the festivities begin. We ship coast to coast, straight to your doorstep, wherever you are.

Remember, the key to a successful and your soon-to-be favorite adult costume party is creativity and a touch of humor. With these ideas, it will be the talk of the town. Get ready to dance, mingle, and create memories that will last long after the costumes are packed away. 

Need a hand with the party planning or brainstorming? You can reach out anytime or drop by our store at 6600 Hollywood Blvd if you’re nearby for pro tips or to try on our costumes in person. We’re glad to help out!