When you use your index and middle fingers knuckles (proximal interphalangeal joint) to rub a woman’s clitoris in a side to side motion.
John: So, did you and Angie have any fun last night?
Gave: yeah, she really loved it when I gave her the ole’ two knuckle shuffle
Gave: yeah, she really loved it when I gave her the ole’ two knuckle shuffle
by ElevenToesJohn April 5, 2023

The girl looked in the mirror one day and saw knuckles the echidna looking back at her and couldn't decide whether to laugh or get infuriated, so she looked around for somebody else to ask whether it was them trying to be funny and not the one in the mirror.
by The Original Agahnim July 23, 2021

'Filth knuckle' when you're knuckle deep in pussy and the lass hasn't the best personal hygiene... when your finger(s) come up for breath you have a suspicious brown stain on the back of your knuckle(s).
I've never had such bad filth knuckle as last night... it was like I'd been eating dark chocolate with the back of my hand.
by Huw Jorgan September 12, 2016

A knuckle dripper is when, after a long, hard day of beating your meat, your volcano tries to erupt at the end of the day, and it ends up rolling down your knuckles like a tear running down your cheek.
Wife: "Honey, I thought you were gonna, like, give me a facial. Not some knuckle dripper.
Husband: "Sorry, honey, you were at work all day."
Husband: "Sorry, honey, you were at work all day."
by XDontieDankboyX November 19, 2022

by JoeyBomm July 21, 2024

Ryan was handing out a serious serving of road knuckle to his cousin on the family road trip to Disney land.
by Constant Hat December 6, 2023
