Top Definition
To do one particular activity for a period of time that most people would find to be excessive. Usually used to describe the act of playing a video game for an extremely long time.
"Damn, is Brian STILL in there?"
"Haha, yeah man, he just got a new expansion pack for that game so he's been creepin' out on that shit all day."
by Fitterer August 17, 2005
1 more definition
Exchanging cell phones with a friend in an attempt to ruin each others lives by sending tasteless text messeges to people on their contact lists.
"Wow, I thought this bar would be a little bit better, i'am bored, you feel like playing Creep Out?"
by Dustin777 March 30, 2008

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