OFY Share definition Flag OH FUCK YA! OFY! Is used for e-mail and verbaly Dude I just won 600 bucks playing the nickel slot machines at the casino. "OFY dude, OFY!" OFY by Blake Dremmel April 8, 2007 0 0 Get merch Get the OFY mug. Buy Now — $32.95 See more merch