dirty flute Share definition Flag When a girl sucks a guys balls sideways, while she jerks him off with both hands, like she's playing the flute. Yo, that girl from the party last night gave me the best dirty flute I've ever had! dirty flute by Kristina witha k August 2, 2012 0 0 Get merch Get the dirty flute mug. Buy Now — $32.95 See more merch