Top definition
doing only games the entire day without eating anything, socializing, or doing anything that requires you from getting up out of your couch or chair.

side-effects of hibergaming:
painful ass
bloodshot eyes
deep imprint in your seat
sudden erection (severe)
John: dude where were u last night? we were gonna rave! Brent: sorry man, i was hibergaming to GTA IV
by brent the twinkie January 26, 2011
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