bum finger 

The The 11th finger that comes out of a girl's bum to enter a man's bum while they are having sex.

The sex was pretty bland until her bum finger crept out.

bum finger by Sebastian Ro-Fo December 7, 2013

Bum Finger 

Scratching/stroking ones ass crack, then gently brushing finger/s under victims nose, so they catch a horrific scent...WARNING: It is possible to become obsessed with sniffing your own fingers

"Last night, outside reflex, Robbie bum fingered Vicki and she was shocked"
"Vicki scratched her ass, and sniffed her own fingers and couldn't stop....'what an odd, enchanting scent' she thought"

Bum Finger by haha47 January 29, 2009

Bum Finger 

The Fingering of somebody's ass crack to maximize pleasure. Can results in nails being snapped off and internal bleeding. Bum Finger ussually takes place after a good bout of fart eating leap frog which creates of lots of sexual energy and vibes.

"Catch my fart in your mouth Amelie then jump over me and fart in mouth, it really makes me horny!"

"OK! But can we do Bum Finger afterwards because i've been priming my fingers all weak by sticking them in my own shit"

Bum Finger by CaptainMorgan'sMum September 8, 2011

bum finger 

The 11th finger that comes out of a girl's bum to enter a guy's bum while they are having sex.

The sex was pretty bland until her bum finger crept out.

bum finger by Sebastian Rofo December 7, 2013

Finger bum wank

This phrase can be used to put emphasis on how giddy a friend, colleague or a familiar is.

It is usually used when said people have a sense of achievement or acquired something cheaper.

It can also refer to masturbating your anus with one of your fingers because you're too ugly to get laid.

Man 1: " I got a 2 for 1 deal on these sandwiches!"

Man 2: *makes masturbation gesture* "Finger bum wank sandwich deal!!! You're really saving those pennies!"

Or

Man 1: "Hey I got her number!"

Man 2: "Finger bum wank! She's only the village bike Mr sloppy seconds!"

Finger bum wank by FessSquad June 1, 2022

finger bum wank (FBW) 

insertion of a finger into the anus whilst "jackin it"

"jeff likes to finger bum wank (FBW) with himself"

finger bum wank (FBW) by lazycouchpotato7 July 30, 2008

Finger bum flank 

The act of kissing ones partner standing face on and flanking a sneaky finger into the anus to cause surprise

Michael was under the impression dale just wanted a kiss. Little did he know Reza was setting him up, face on for a finger bum flank

Finger bum flank by DoctorZig August 14, 2016