When two men choose to engage in mutual masturbation, implementing a "thumb war" grip and jerking themselves off simultaneously, locked at the knuckles.
Since he had a girlfriend, the young man decided to knuckle up with a buddy.
Eye contact is essential! Spit on the knuckles of each hand, take the clitoris in between the knuckles and slide both of the knuckles up and down gently but firmly.
Lady: Will you Spit Knuckle me, please?
Me: I thought you'd never ask!
the act of Masturbating.
Jeremy when to his room, i think he is knuckle shuffling
to go knuckle deep into the anal regions of the other gender while your other knuckle is 5 inches deep in their other genital region.
you have just been fuck knuckled by him
the tightest bond two can have...typically occurs when two friends simultaneously break their knuckles. if you mess with one, you mess with both.
“What are those god damn knuckle brothers up to this time?”
a person who is short, fat, and hairy.
When an ugly person approaches you 'ew look a stew knuckle"