A slang term for a dumb mother fucker who really does not understand they are a dumb mother fucker.
After a lame conversation I had to say, “He is such a fuck knuckle”.
A more poignant or harsher word for the abusing the common wanker/tryhard/yuppie douche-canoe
You're porno movies are on the shelf next to that fuck-knuckle with his shirty goatee in the corner
A man with such a small dick that all it feels like when he fucks a woman is him fucking her with the knuckle on his fist.
HER: Enough playing around stick it in already
HIM: What you talking about Willis? It is in!
HER: I should have known you'd be a fuck knuckle.
When said person is being annoying or is being a headass
Person 1: “God, Michael is being such a fuck knuckle”
Person 2: “You can say that again”
The second knuckle of any digit when inserted into an orifice in a sexual manner.
I was fingdipin' this girl to the fuck knuckle after the baseball game the other day.
(FUCK KNUCKLES) slang expression used to describe something unexpected, usually in a loud manner.****** It was just submitted and was just submitted and accepted but my phone dropped the lettet K, so it apoeared as Fuck Knucles. So sorry about that********
Fuck Knuckles that really hury
Someone who is beating off, fucking their own hand fuck knuckle
Hey fuck knuckle stop beating off