shartbiscuit 

(1) A tiny turd you find in your underwear or lodged in the crack of your bum after a shart, or dodgy fart.

(2) Someone who acts like a bit of a turd.

"Damn! That's the third pair of undies I've lost to shartbiscuits since I became a vegetarian!"

"That shartbiscuit Tony always uses all of the milk but never goes to buy it."

shartbiscuit by fran_kato March 6, 2014

ShitBiscuit 

When you have diarrhea and it hardens so no shit can flush, like plugging a throat with a biscuit.

Person1: Man my shit is stuck!
Person2: Did you try the plunger?
Person1: Yeah it won't work!
Person2: Must be a shitbiscuit

ShitBiscuit by Big boy beth mcmeth November 9, 2019

StarBiscuit 

An idiot who plays with someone, and once that someone doesn’t want to play anymore, he cry’s, then proceeds to read the persons IP, Address and state because he’s sad that he has no more friends to play with

Me: Sorry I don’t wanna play
StarBiscuit: UGHGg *crying* UghHh U lIVe At (address and IP here)

Me: Woah woah woah I’m just getting off!

StarBiscuit by LagMite April 5, 2022