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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
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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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