The act of two males spreading their butt cheeks and trying to make their butt holes touch by backing into each other.
John: What's that sound? It's like someone smacking two Easter hams together...
Seth: Oh, that's just Ben and Mike monkey wrenching in the other room.
by Sambo "RAC" Jackson December 17, 2017
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The person being 'wrenched,' as the kids like to call it, takes a big water jug (like the ones for water coolers) and shoves the mouth of the jug into his/her ass. Once the jug is inserted the person does a hand stand, letting the water flow freely into his ass. Often done as a practical joke. A hand stand is not nessisary in joke form, you may just tip it over and let the person enjoy!
-We 'monkey wrenched' Allan last night, he got really pissed off!

-Look at Osama, he's so drunk he's doing a 'monkey wrench' right on the table!
by Kaine1250377 September 8, 2006
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a sad lil fuka that goes unda the name Monkey_wrench on this site... your a loser dude hope u gt ur ass kikd by maoris to!!!
monkey wrench suckz ass
by Maori March 4, 2005
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Is a male term used to describe that act of hideing a boner on the waist band of there pants. One of the best ways to hide an erection
Guy1"i got a mad hard on"
Chick1"monkey wrench that shit its nasty"
Guy2"please do or itll get wacked"
by Hunter Williams October 27, 2009
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Where a girl pulls your junk between your legs and blows you from behind then sneezes.
by icemann79 July 2, 2011
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When a woman gives a man a blowjob, and before the man ejaculates, she twists his member clockwise in a wrenching motion while he attempts to ejaculate.
I was hoping for a good time with that prostitute, but she ended up giving me a Portuguese monkey wrench.
by KongoJojo December 13, 2010
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