Grundle Knuckle

Grundle Knuckle is when the taint is rubbed or massaged to cause a dude to cum

Bruce was getting an old fashioned HJ and Stacy wanted to speed things up and gave him the old Grundle Knuckle to help him cum more.

by DanielleWhittier May 5, 2023

Knuckle Cluster

When you're in bed with your man and he lodges his entire fist into your cooch. he then squirms his hand around until he sees his knuckles through your belly. Once seen they instantly cum.

Ronald: Did you hear? Samantha got knuckle clustered by David
Arnold: Really?
Ronald: Yeah. She died mid-way and he sat there cumming. He soiled the bed sheets completely white
Arnold: Damn. It was good when I railed her ya'know?

by I'mAGlugGlugVacuum6900;) January 11, 2023

gas knuckle

When your balls get divided by the mid seam of your underwear.

My dad started to cry in church, said he had a bitchin gas knuckle

by SIR TORQUE'S ALOT October 26, 2016

The five knuckle shuffle

The five knuckle shuffle is when you insert your whole fist into a womens anus and then immediately after into her vagina repeatedly

Im gana turn her bedroom into a boxing ring with the five knuckle shuffle

by SaintedCrown911 January 29, 2021

fart knuckle

When you catch a whiff of your unwashed hands and they smell like ass.

Can you give me some hand sanitizer, friendo? I've got a bad case of fart knuckle.

by BuckBuck McGee June 20, 2025

Knuckle dragger

Simply put, a knuckle dragger is a skier's term for someone who snowboards. And for that I will always be a proud knuckle dragger!

That knuckle dragger is way cooler than me and my ski poles.

by BoysATimeBomb February 15, 2021

bubble knuckle

Old lady arthritis fingers and/or a camel toe

Dang.. Barbara has a bubble knuckle

by Alpha Feemale February 3, 2024