A person who is, or is being, an equal mix of a Fuckstick and a Knuckle head
Hey Fuckleknuckle, get back over here! Don't you know you can't just go around acting like such an idiot.
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A dance shown in Number 15 Twerking Chicken
The fuckleknuckle is another dance that will make your boner fall off
Dora is single. She doesn't have a boyfriend.
fuckleknuckle.
Oh i didn't know?