Definitions by oinchunk

crux 

to poop is to crux, especially an emergency poop from drinking too much coffee or mofe. the poop itself can also be referred to as crux.

ah man, i drank too much mofe, i gotta crux!

or

dude, i can't use this bathroom there's crux all over the seat.

crux by oinchunk December 22, 2009