Noun... being highly pissed off.
by Da Hooter 47 November 1, 2015
A small, dumb pigeon who lives on the streets. Pisifs typically flock together. They can sometimes be spotted next to a pisifysician, which is a pisif doctor (also a pisif).
Look at all those pisifs in the parking lot!
by Randomworded11343 March 5, 2018