bum-fiddler 

Derogatory. One who handles their anus for recreation. Similar in use to wanker.

"That bum-fiddler just cut me up."

bum-fiddler by hannahsmetana April 13, 2015

Fiddle bum 

Term used to describe a person who always has his/her fingers in the anus. The person may do it for the simple pleasure of 'getting' that itch or because they are exactly just that - fiddle bums. Some also like to sniff their fingers after getting in *deep*
Can also be used as fiddle butt to describe somebody who does that in public. Fiddle fingers nail- nail or finger that has traces of being in the ass

Jammie: Hey Jack, what the hell do you think your doing?
Jack: Nothing man. Just scratching. Nothing wrong with that *shrugs*
John: walks by and says fiddle bum and walks of laughing!
Jammie to Jack: You always were a fiddle bum/ass/fingers/nail

Fiddle bum by twiddlybabe November 5, 2011

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!"

bumfiddle by giannapranker123 July 11, 2009

Bumfiddle

Bateson87 is a bumfiddle

Dylan:bateson is my bumfiddle
Matt:same

Bumfiddle by Bumfiddlejim May 5, 2019

bumdiddler 

(n.) Someone who likes to play with their asshole, or someone else's; this also includes the playing with fecal matter

Tiffany is such a dirty bumdiddler....

bumdiddler by Analkingdom December 30, 2013

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"

bumfiddler by jeremiah1234 March 28, 2010