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The term YMFY originates from 2 friends that have experienced new levels of high from chronic. It is an Acronym for "Yes, MotherFucker, yes!" and is pronounced letter by letter, Y-M-F-Y. This is only found in online gaming culture slang and is close to 1337 speak but much more high.

Me: mmm tasty nug man
Him: YMFY!(Yes motherfucker yes).

It's an expression of enjoyment that can be used to describe things outside the drug world.
by Chester2456 March 01, 2008

Words related to YMFY

fucker mf mother why y