After someone has fisted another person, they leave their hand uncleaned for a while. The fluids, dry and harden on the hand, forming a Crusty Knuckle, or Crusty Knuckles depending on the severity.
Jasmin fisted Leeroy. She left her hand overnight an the shit hardened. In the morning her hand had turned into a Crusty Knuckle.
by L.Jenkins January 11, 2012
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Get the knuckle sando mug.-I don't like what you're wearing
- Well, tough knuckles!
- My grandmother just died
- Oh, tough knucles
- Well, tough knuckles!
- My grandmother just died
- Oh, tough knucles
by Tasfu January 9, 2023
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Get the giraffe knuckle mug.When you cross your index and middle finger, then your pinky and ring finger. Then insert two in the pink and two in the stink.
by Mast3rbaySEAN March 2, 2019
Get the Pig knuckle mug.The sexual act of cutting ones knuckle (2-3) and putting their fist in their partners vagina or anus to "claim dominance"
Heath: why are your knuckles cut
Avery: oh... Let's just say I gave my girlfriend a bloody knuckle
Heath:oh my God dude,why?
Avery: oh... Let's just say I gave my girlfriend a bloody knuckle
Heath:oh my God dude,why?
by Hamsir August 28, 2022
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