When you touch fists with someone quickly. Synonym to fist bump.
Simp:Hey gimme some knuckles.
SuperiorAlphaMale: You mean quickie fistie you simp.
5 dollars for the hooker to give you a handjob
Stella works as a hooker and is asking a stranger for 5 for a quickie.
When you fuck someone for a few seconds but you already cum.