Six Finger 

When a long nippled woman cups her breast and the nipple pokes through between her fingers and resembles a sixth finger.

Man, I didn't know that girl had no top on, I thought she was sportin a six finger on a titty grip.

Six Finger by Land o the Richwa July 8, 2009

six finger handshake 

A special handshake that can only be preformed by two males in which each man grabs the others penis and they “shake”
Essentially a mutual handjob

“Me and Tim are gonna be friends forever. We shook on it with a six finger handshake.”

six finger handshake by DaDingus October 15, 2018

Six-finger sandwich

Ambiguous sexual euphemism, conjuring up images of fingers, knobs, wanking and gobbling.

That girl was begging for it, so I gave her a six-finger sandwich.

Six-finger sandwich by DannioBigMacs January 20, 2021

Six Finger Syndrome 

when u got 6 fingers total u become the yung six finger man

g1: yoooooo u have 5 fingers on ur left hand and 1 on ur right?
g2 yessirrrr i got that six finger syndrome

Six Finger Syndrome by bennnnnnnnnjjjjjii crih November 2, 2020

Six Finger Discount 

Invented by the almighty Squirrel, a Six Finger Discount is one in which someone, while in the act of a Five Finger Discount, either flips the middle finger at a store emploree while leaving. A less offensive Six Finger Discount would be giving them a Thumbs Up instead!

(Offensive)
I six finger discounted some gum at the 7-11 last night, man the owner looked pissed when he saw my sixth finger make a guest appearence!

(Less-Offensive)

I six finger discounted some gum at the 7-11 last night, the owner told me to come back again soon when i showed him the thumbz up!

Six Finger Discount by Squirrelish87 July 26, 2008

Six Finger Pig 

When, while having anal sex with a girl, the penetrator, simultaneously fists her and she squeals like a pig.

My vagina is SO sore after Matt gave me the six finger pig while we were having anal sex.

Six Finger Pig by Oink oink in the pink & stink April 30, 2011

six fingers 

A way to describe somebody who is seen as being inbred i.e. shagging members of your family.
It is a myth that inbreds end up with six fingers
Guttin

"He's got six fingers mate!!"

six fingers by Hopenessbla December 3, 2007