Shoot Flute 

A flute that can be played after inserting the flute anally.

Play that Shoot Flute, baby!

Shoot Flute by [e-mail] January 28, 2023

Sloot flute

An imaginary flute that, when played, signals the presence of one or more "sloots" (sluty women) in the vicinity. While playing the imaginary flute you may make the sound "Sloo-ta-loo" to let others know there are sloots in the area.

"dude, last night the sloot flutes were playing loud and proud!"
"Sloo-ta-loo!"

Sloot flute by Caseman1000 April 25, 2012

snoot flute 

An idiom for penis.

Rebel: I need to drain my snoot flute.

snoot flute by darkseid May 20, 2016