Top Definition
Pee From Butt (adjective) or as its commonly referred to PFB is when the consistency of your poop is that of liquid & escapes your butt with a flow similar to pee. PFB can sometimes be proceeded by cramping and discomfort.
"That Italian food last night was killer and I woke up this morning with PFB". "The salad I just ate sure cleansed the colon and gave me mad pee from butt".
by PoPnDaCriStaL August 18, 2011

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