creep out
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.
Example:
"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."
"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."