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derived from the saying "probably not", it can also mean I don't think so or more than likely not
by Dane Ott November 11, 2005
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another word for the word probably not, a shorter version usually used in slang cities like Berdoo. Another creative used by monica.
1.hey dawg are you gonna get at that.
2.Prolly not, c'mon butterface!!!
by Dom-Dizzle July 26, 2009
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