to tense up.- full tightening of all muscles in your body.
to piss someone off or catch them off guard.
to piss someone off or catch them off guard.
like if someone jumps in your face and says "do you want a piece of me?" then you T.U. and say "not in my ass I don't!" usually followed by a "ck ck ck". Or to T.U. a trucker parked on the side of the interstate by means of check wipe and say"ha ha that will T.U. his ass.
by hett725 May 05, 2010