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When a fat chick takes a shit in the middle urinal.
Dude! Never piss in the middle urinal, it's totally befus.

I walked into the bathroom at school and saw a pile of cronk in the middle urinal, Befus must of struck again...
by Dirty Bronson September 05, 2007
a person who is acting mentally retarded
John is being a befus
by John Steele December 25, 2006