(n.) Any progression of musical notes made audible through the medium of the sphincter.
Yo Johnny, all those bean burritos were just sheet music for the booty flute.
by bozley June 28, 2011
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When you cum in someone's ass, and they fart after.
"I came so hard in her ass that she had a big ole booty flute!"
by TootieBootyJudy November 1, 2015
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A "flute booty" is when a woman has a tight and unattractive behind. All muscle no fat.
Greg: "Man that chick got a nice tight ass."
Jason: "Man that bitch got a flute booty."
by T.T.S.D March 24, 2016
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