bumfiddle

simply, an action where you flex your bum cheeks and somehow figure out how to play a fiddle with it.

"Oh my god, that guy is such a good bumfiddler!"

"Yeah look at his bootie flex that fiddle in such a violent way!"

by giannapranker123 July 11, 2009

Bumfiddle

Bateson87 is a bumfiddle

Dylan:bateson is my bumfiddle
Matt:same

by Bumfiddlejim May 5, 2019

bumfiddler

Someone who fiddles with their own bums or a mates bum.

Roger: "I went into Frankie's room and he was fingering himself."

Jermaine "That dude is a bumfiddler"

by jeremiah1234 March 28, 2010