When a female masterbates a male using only the backside of her knee causing a high flying nut.
Wow! That Jersey Knee Bone gave me the best nut of my life!
An unscrupulous individual who loans money at high interest and will inflict bodily harm when payment is short or not forthcoming upon request.
Tommy owed the mob $1500 and was short $300 on payday. The Knee Cap Banker collected the cash and now Tommy is on crutches and owes $600 (principal + interest).
When one masturbates
"I like itching my knee at night."
Someone who had deformed uneven squishy knees because they’ve spent too much time on them performing lewd acts
She’s spent so much time tossing salad she’s got salad tossing knees
When she desperately wants to give you head
Oh honey, I wanna suck your di—*thud* awww fuck, my knee caps. (Busted knee caps)
When someone's knees are made out of graham (i.e. their ligaments are easily torn and/or broken)
Wow! D. Rose has graham cracker knees.
RGIII is injured again? Must be due to his graham cracker knees.
The moment during a sporting event when anxiety reaches a critical mass, causing a spectator to pull on their pant legs to a point at which their knees become visible.
I had just walked into the bar and could tell the game wasn't going well. It was only the third quarter and Dean was already getting the knees out.