A Guitar Hero Scenario when two or more people, preferably a couple are having an arguement.

Then in the middle of the conversation one(normally the male) will offer to play a game of Guitar Hero.

Normally when this happens the other person will either.

A) Break Up With You
B) Leave Angrily
C) Tell You To Leave
Or
D) Play Guitar Hero(very Unlikely)

The Guitar Hero Scenario is also Related to
The Tetris Scenario
The Halo Scenario
The Wii Sports Scenario
and
The Luigi's Mansion Scenario