What is Funk Knuckle?
1: The smell resulting from anal fingering or from Mary Jane Rottencrotch.
2: Like a Boogan, etc.
1:"After having 3 in the pink and 1 in the stink, I had Funk Knuckle...so I gave Sara a Filthy Sanchez"
2: "John's being a Funk Knuckle"
See filthy sanchez, boogan, analingus