A fork of Rural Dictionary
The Act of Slapping your partner in their face during sex as they are about to climax, immediately followed by giving them surprise Anal.
That nasty slag down the hall really enjoys her birthday cake.
A buttock.
Alisa went to the club and got drunk. She then decided to show everyone how beautiful her birthday cake truly is.
when you roll one of your cousins in a carpet, cut a hole in it and fuck their ass while they cry.
"Stop it jimmy, I don't want to be the spider-man birthday cake this time"!
A situation so shitty that no matter the outcome you end up being screwed, like a birthday cake that gives you AIDS, doesn't matter what slice you take, you'll get AIDS regardless.
"This is really brutal. I don't know what I'm going to do here, either way I go I'm fucked"
"Sounds like you've been given an AIDS birthday cake".