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jewetnit is Dutch alternative spelling for Je weet niet, which means, you dont know. It is used to express that something is awesome, or implies you are awesome yourself. It is often followed by the letter g, short for gengster.
Dude 1: Hey I saw you rocked that test we had last week.
Dude 2: jewetnit g im awesome.
by jewetnitwiikben November 30, 2010