Top Definition
wrench used to tighten or loosen the anal spincter
"dood pass the butt-wrench, i need tightening"
by phillipay July 20, 2006
1 more definition
5 Words related to butt-wrench
A person who annoys you so much you want to take a wrench and stick it up their butt.
Person #1: "hey dude guess what?!"
Person #2: "what?"
Person #1: "i just bought this really cool shirt with Barney the dinosaur on it!"
Person #2: "jeeze you are such a buttwrench!"
by CSIQ April 20, 2008

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