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1.
When you want to let you're anger out on someone, or just being random, you yell it, LOUD !
When you see someone walking by, yell HNGAAH !
by QueenOG May 13, 2011
 
2.
Probably the dumbest phrase Lewiston hood rats say. It's frowned upon by the rest of society and these people tend to have similar weird friends.
Ayan: HNGAAH
Person: Shut the fuck up that's annoying
Ayan: Hngaaah
Person: Eat a dick!
Ayan: Hngaaah
by Negrophiliac110100101 June 15, 2011