by Birthdaytheamerican November 3, 2006

Short for when you go out by yourself and celebrate your birthday by binge-eating at every single greasy, fast food establishment you can hit, later winding up with painful and uncontrollable diarrhea, also known as binge-shitting.
I had all of my favorite double bacon and onion ring laden cheeseburgers and cheesecake at each and every one of the burger spots around town to celebrate my birthday but quickly found it may have been overkill ‘cause I was doubled over and blowin’ birthday brown before sundown.
by Dr Bunnygirl September 7, 2019

The best meme account ever. Very relatable. Loves Dan and Phil , Emos , Death Note, and so much more.
Happy birthday Nicholas: A meme account that is underrated. If you see this hbdn, know that amb and gab love the memes.
by Gabweiss June 24, 2021

When happy birthday isn't enoug
by Captn ramrod September 15, 2013

Scottish response to someone being soppy/sentimental to remind them that showing heartfelt emotion isn't allowed.
Victor: *talking to his dead wife at her grave*
Jack: You're a creepy bastard. Talking to Betty as if she's still here.
Victor: She is still here! In ma heart!
Jack: Birthday caird pish!
Jack: You're a creepy bastard. Talking to Betty as if she's still here.
Victor: She is still here! In ma heart!
Jack: Birthday caird pish!
by Craiglang May 9, 2022

by Tea sis 89 May 19, 2019

by Goldmatch May 3, 2014
