Poos cake is someone who is a friend but also ur poos. The origin of this word comes from Fayerweather Hall at the the University of Rhode Island. Two pals decided to get smacked and started saying poos for whatever reason. The rest is history.
by Poos cake January 23, 2021
Get the Poos cakemug. Boyfriend: let's try anal tonight, babe.
Girlfriend: you mean you wanna stick it in my poo cake?
Boyfriend: yeah, that too.
Girlfriend: you mean you wanna stick it in my poo cake?
Boyfriend: yeah, that too.
by Sallysuewho December 4, 2017
Get the Poo Cakemug.