1. When someone has been insulted and has nothing to say.

2.Sometimes used to interrupt someone when they are saying something rude or you just don't care
1.Person A "Hey dude your such a NerfHer--"

Person B "gtfo my waffle!"

2.Person A "Hey today I saw the coolest--"

Person B "gtfo my waffle!!"
by GtfoMyWaffleNoob April 4, 2010
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