Top definition
Increasingly popular acronym that stands for Yeah Nigga Yeah. Used in situations where things have gone pretty fucking excellent, but some discretion (because you're white) might be advised.
Friend: I just aced my exam
You: YNY

Friend: I definitely got laid last night
You: YNY

Friend: Yo I just won the lottery
You: YNYYYYYYYYYYY
by toolbox69 October 30, 2010
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