Historically, a condition where one's finger joints are severely enlarged, particularly the proximal interphalangeal joint (middle knuckle). The term is thought to originate from Queen Victoria's preference for the condition when choosing her bath valets. Today, it generally refers to the middle knuckle of the middle finger.
My bath valet filled the bath to a depth just shy of a queen's knuckle, and then my bath valet furiously pleasured me.
by doctornonono January 1, 2021
Get the Queen's knuckle mug.
When you take a pile of shit and your hand brushes the top of it while wiping
I took a massive shit yesterday, it was a real knuckle duster

I'm washing my hands, dusted those knuckles pretty good just now
by Knuckleduster March 21, 2023
Get the Knuckle duster mug.
when two people get in a fight and one guy slaps the other and defeats him with instantly or with only barely any punches.
Person 1: Woah Dude! Did you see that? He just knocked him out with only two punches!
Person 2: Man that was a quick fight. That guy really has a horses knuckle!
by briansten March 5, 2023
Get the horses knuckle mug.
When you look alarmingly like an angry, ocularly-challenged, German Shepherd owning bull dyke, and always keep a button in your pocket due to the incessant issue of having to close the rear holes in your pants after you "HAD to stop at THAT out of service, poorly-lit wayside" for HOURS, you're probably familiar with The Hairy Knuckle Werthers:

This is when your favorite boy-crush takes a plaster mold of the hand of the angriest, most extravagantly endowed gorilla at the zoo, and proceeds to fill it with liquified Werther's candy.

Upon hardening (of the candy), your boy crush thrusts the giant black hand-fist into your spelunking tunnel (Most of the other people at The Hardee's Play place pretend not to notice).

Upon germination, you grant your boy crush with a button you've kept in your pocket for years. Quietly exclaiming, "That was better than the time I walked Lassie"
Once Rock Day was done, the spastic guy Tom is all side and told us when Gary got "The Hairy Knuckle Werther's"
by Sweaty Shirt Changer June 22, 2023
Get the The Hairy Knuckle Werther's mug.
Student 1: Man, our English teacher is so hot!
Student 2: Yeah did you see her new profile picture?

Student 1: Yeah man, I'm gonna throw it some knuckle tonight.
by FertDeDoosh August 4, 2017
Get the Throw It Some Knuckle mug.