When somebody is in the stages of fecal production, yet not ready for defecation just yet. In simpler terms, it is when one is brewing a poop.
by Jungle Ruhbarb December 07, 2012
by Ginsbot December 20, 2009
Brew-Poop; The poop you take after a long night of drinking (usually takes place the morning after.)
by LittleBabyKyle December 21, 2010