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1.
the act of playing guitar hero
dude im busy, im currently guitarheroing.

what did yu do last night? I was guitarheroing on expert.

me and my friends had a guitarheroing compition. I beat them cus I can play on expert

whats up? nuthin im just guitarheroing
by Jessi­Cuh March 22, 2008
 
2.
to play guitar hero 1, 2 ,3 or play any game that uses a guitar
Bob said " what are you doing right now"
Jack said "nothin much just guitar heroing
by adam cooreab October 24, 2007