This sounds like a penis-knuckle to me.
it could be ganglion which is a harmless cyst.medical treatment for this is aspiration of cyst or minor surgery
knuckle
You are a knuckle head.
I can have a knuckle in my handshake
The first knuckle on your finger is typically considered to be the knuckle closest to your hand, where the finger meets the palm.
I think you mean knuckle dagger, and it's like a knuckle puncher ( bronze knuckle) but it also has a small blade on the edge. Leaf Ninja Out! Sincerely, IchigoKitsune95 Knuckle dragger is an insult; it calls a person an ape.
Knuckle Bash was created in 1993.
Knuckle Bash happened in 1993.
Kaiser Knuckle happened in 1994.
Knuckle Heads was created in 1993.
Knuckle Heads happened in 1993.