Fool, gullible person. See Tool.
Quit being such a monkey wrench, Vellius. Chris knew it was you the whole time, you shippler.
by MJK October 8, 2005
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The product of onanism, solitary frotting, mono-genital agitation, crotch wobbling or spewm farming, once deposited into a pint of semi-skimmed milk.
"Argh! Don't drink that, it's a fucking Milk Wrench!"
by Mr WithersSpakeThrust May 27, 2009
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To sabotoge or disrupt.
George W. Bush's claim of Iraqi weapons of mass destruction threw a MONKEY WRENCH in Colin Powell's political aspirations.
by Mikail Bevale March 6, 2005
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That meat wrench was so soggy it couldn't even get my nuts off.

Synonyms: snatch, axe-wound, twat, cunt, vag (vagina), slot, bearded clam, box, gash, pussy, muff, beaver, minge
by Matthewington March 25, 2008
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A problem that makes a flawless plan or machine go wrong, as though one were throwing a wrench inbetween a perfectly set pair of gears.
We had the perfect plan for today, but when the homeless man slashed my van's tires, he threw a wrench in the system.
by C. Suba September 12, 2006
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From Scrubs, a double-ended tool consisting of a knife and a wrench. Used by the Janitor to torment J.D. & Turk.
Janitor: "Knife-wrench! For kids."
by Bastard-coated Bastard March 11, 2009
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