Looking for the perfect way to say happy birthday dear roommate who once shared your space and your snack stash?
Whether you bonded over microwave dinners, movie nights, or Wi-Fi battles, this post is packed with the best birthday captions to help you show love on their big day.
Whether you’re posting a throwback or a heartfelt tribute, we’ve got you covered.
Happy Birthday To The Best Ex Roommate Quotes Funny
Because a funny birthday caption is always a good idea, especially when you share a room with someone who truly keeps life interesting.
Survived a lease together, and we’re both still standing
You never did the dishes, but I still wish you the best
Happy birthday to the one who stole my fries and my heart (briefly)
Here’s to another year of blaming the ghost for missing snacks
Still not over the fact that you snored like a chainsaw
Happy birthday to the reason I needed earplugs
We may have moved out, but your weird habits moved in forever
You were the drama, and I loved every episode
Wishing you a drama-free year, unlike our third month of living together
Still the best friend and roommate a caffeine addict could ask for
Cheers to the person who taught me passive-aggressive sticky notes
You were the reason we needed a chore chart, and I miss it
The landlord may not miss us, but I sure do
No more rent to split, but still splitting birthday vibes
We lived, we laughed, we left dishes in the sink
May your special day be less chaotic than our laundry days
Still the only partner in crime I’d brave a broken AC with
Sweet and Sentimental Birthday Captions
For when your dear roommate turned into a great friend and deserves the sweetest wishes.
Some roommates just leave, but the best ones stay in your heart
Happy birthday to someone who turned four walls into a home
You made our shared space a little slice of paradise
I’m grateful for every laugh, every cry, every microwave meal we shared
Not just an ex-roommate—always a forever friend
Rooming with you was the best accident of my adult life
Happy birthday to the kindest human I’ve shared rent with
I’d choose you again in a Craigslist heartbeat
Thanks for the memories, and here’s to many more
From roommates to real ones
You were the calm in every chaotic move-in day
May your birthday be filled with laughter and good vibes
We shared a room, but more importantly, we shared life
You’re proof that not all good things end when the lease does
Here’s to a friendship that outlasted the deposit
Miss the late-night chats and even your questionable leftovers
Wishing the happiest birthday to an amazing roommate
Birthday Captions for Instagram Posts

Your birthday to my awesome roommate post deserves a caption as cool as your feed.
Just because we don’t live together doesn’t mean I forgot your birthday
Shouting out my favorite former flatmate
Swipe left for memories, swipe right for cake
Birthday to the world, at least my world when we lived together
New place, same friendship
Here’s to the person who saw me at my worst, and still liked me
From one lease to lifelong laughs
Still thinking about our midnight kitchen dance parties
Throwback to when we split the rent and the tea
Wishing you cake, candles, and zero chores today
You’re no longer my roomie, but still my favorite
Hope your day is as amazing as our Wi-Fi connection was
The only person I’d ever share my last slice of pizza with
Celebrating the legend who once burned toast at 2 AM
May your mentions be full and your fridge even fuller
Still the most iconic roommate duo ever
Let’s pretend we’re still living together just for the photo op
Short Birthday Wishes For Ex Roommate
Because sometimes less really is more.
Miss you, roomie. Love you always
The best ex-roommate award goes to you
Celebrating you today and always
Life’s better with friends like you
Still vibin’ even if we’re not roomin’
Hope your day is filled with laughter and snacks
Roommate goals, always
One lease, a lifetime of memories
Wishing you sunshine and no chores
Never too far to celebrate you
Thanks for the memories and the Wi-Fi
Still a 10/10 human
Birthday hugs from afar
Not roommates, still best mates
You made sharing a space almost fun
May your cake be sweet and your good vibes even sweeter
Enjoy your day, you deserve it
Captions That Celebrate the Chaos and the Bond
Because some bonds are built over broken furniture and midnight pizza.
You made our chaotic apartment feel like a sitcom
Rooming with you was part survival, part sitcom, all fun
No one else I’d rather survive house inspections with
We made the chaos look cool
Still laughing about our “fire drill” that was just burnt popcorn
Happy birthday to my favorite kind of chaos
From shared closets to shared secrets
You brought the crazy in the best way
We made disorganized feel like a lifestyle
You were the energy in every room (even when the power went out)
Every mess came with a memory
Hope your big day is as wild as our first house party
We didn’t have it all together, but we had fun
Best friend and roommate, worst at cleaning
You made a mess, but you made life better
Still the MVP of spontaneous dance breaks
We were chaos, but make it iconic
Captions for Birthday Cards or Messages

Need a quick, heartfelt line for a text, card, or gift? Here’s your stash.
Hope your special day is full of everything you love (and none of our old chores)
May your year be as unforgettable as your cooking experiments
Thanks for always being the chill to my chaos
You’re more than an ex-roommate, you’re family
Happy birthday to someone who made every day a little brighter
From rent woes to real friendship, cheers to you
Here’s to another year of thriving and surviving
Distance means nothing when the friendship is real
You’ll always be a favorite chapter in my story
May your day be as awesome as your best prank
Wishing you laughs, love, and a clean bathroom
Grateful for all our late-night convos and pizza runs
You deserve the best, roomie or not
Every time I clean now, I think of you (thanks?)
Hope your cake is extra and your vibes even better
Here’s to being fabulous, even apart
You’ll always have a key to my heart (but not my apartment)
Conclusion
Whether you’re celebrating the birthday of my roommate who was once your emotional support human or the amazing roommate who became a great friend, your caption should be just as memorable as your time together.
So go ahead, choose your favorite, post it up, tag your roomie, and enjoy your day celebrating the bond that started with sharing a space and ended with something even better: real friendship.