Top definition
The irritability one undergoes when needing expel fecal matter at an extreme level.
A: Hey bitch, drive faster! I gotta take a shit!
B: Dude, calm down.
A: Why!?
B: You're PMAssing is really getting annoying.
by Anonymous4456356 December 28, 2010
Get the mug
Get a PMAss mug for your fish Julia.