Top Definition
a guy who tries to compensate for having a small penis by acting like a brute. Can sometimes be physically intimidating, but usually just talk a lot of shit they can't back up.
"i'm going to fuckin' kick your ass, you pussy!"

"I'm not afraid of you, cockfluff."
by bullshitlame July 24, 2009
Fluff on the end of your cock from drying self with a fluffy towl and not noticing until later.
- "Man, my GF was about to give me a blow job but gave me weird looks when she saw the Cock Fluff thinking it was something else"
- "This Cock Fluff smells funny"
by Corio October 22, 2009
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