knuckle dunker 

To finger band a chick.

Frank was under the impression that he was going all the way with Doris, all she let him do was knuckle dunker her .

knuckle dunker by DoubleD1! June 4, 2018

Knuckle dunker 

Someone who reaches in between their legs, while sitting on the toilet, to wipe their butt.

“While Tyler was wiping, he reached in between and dunked his knuckles in the stinky stu water; he’s a knuckle dunker “

Knuckle dunker by Notta-knuckle dunker May 23, 2018

kentucky knuckledunker 

A phrase used to describe "fingering" a female while driving through the state of Kentucky.

I gave her the good ole Kentucky KnuckleDunker on our way home from Nashville last week.

kentucky knuckledunker by JimBro Watty March 20, 2016

KnuckleDunker 

When undergoing intercourse, your hands will be represented as the famous basketball. It is up to the opposite partner(s) to decide which given “hole” is the basketball hoop

Im looking forward to a good knuckledunker in my ass

KnuckleDunker by PenisPenisPenisPenisNigger April 19, 2020