Top definition
the theory of why birds shit all over everything so much.
the theory is that of you piss them off they will shit all over everything of yours and your neighbors.
Beth: i have this theory of why the birds are shitting all over everything; we cut down those trees and now they are pissed off at us.
mike: you should call it the theory of bird shitivity.
by Travis Seedil April 20, 2008
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