to utilize the art of mindfucking.
"Wow, I completely forgot what an asshole move that was he just made, he somehow fosterized me into thinking it was all my fault."
by CaAaAro0o0o0llL November 14, 2007
the act of breaking, butchering, or fucking something up that was perfectly fine for no reason other than personal satisfaction
Damn, you sure did fosterize that welcome mat Patrick!
Did you see the way he fosterized that car?
by Wiggly 1 March 20, 2013

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