agreeing in a cooler way, gangsta's would say this, hahaha, a way to high five someone without touching them (maybe someone who is infected with something...warts)
1.
shaila: hey mutha fuckas!! wanna go to a party?
Lesley:Yea-yeah!
2.
Bacon:We won!
amber:yeah!!
bacon & amber:Yea-yeah!!!!
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