1 definition by Rockwell

Top Definition
Slang term for a particularly large cock. It derives its meaning from the fact that the cock cleaves, or splits open, the beaver, or pussy. A visceral term great for frat boy type bragging.
"Man, I can't believe you took home that Erin slut last night. She must be totally loose."

"Whatever, man. When you have a massive beaver cleaver like mine, it's not a problem.
by Rockwell August 20, 2005
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