look up any word, like dirty sanchez:
 
1.
Bodily waste discharged through the anus during defecation; excrement. I. E. the solid excretory product evacuated from the bowels.

Assloaf is also commonly used as an insult to the incompetent and idiodic.
Jimmy, will you excuse me? I must go pinch an assloaf.

Matt, why did you leave the MVP Baseball 2005 on all night and not save it, You fucking assloaf?
by Tophizzle April 16, 2005