Very saggy breasts; Usually long enough to touch the middle of the abdomen. When doing push-ups, they will touch the ground, even with the arms fully extended.
Justine has some pretty nasty meatlocks.
by Superdouche January 16, 2010
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Meatlocks are fat, girthy arms on women that look like they could choke out Lou Ferrigno.
Greg: Go ask that chick to dance.
Me: Which one?
Greg: The one with the meatlocks.
Me: No thanks, faggot
Greg: Hahaha!

I tried to go all "Over the Top" on that bitch but her meatlocks put me out of business. She was one tough customer.
by colbra December 11, 2009
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Basically its a vagina, if you put it together in your head it makes sense. Ask yourself the question, what locks meat?
I am going to punch her in her meatlocker tonight.
by blademaster21212 February 28, 2008
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Term used for woman whose only use in a relationship is for sex
Guy 1: Hey, whose that chick you was with the other day

Guy 2: Oh her?.. she's my little MeatLocker
by ProjectBorn November 11, 2009
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The act of fisting a someone whilst wearing a muppet hand-puppet.
Guy 1: How'd your date go last night?
Guy 2: Dude i absolutely gave him the Muppet Meatlocker. he loved it!

Girl: I heard from your girlfriend you gave her the Muppet Meatlocker.
Guy: Yeah, she told me it was great as a one time thing.
by HowDidIGetHereIDontLikeIt February 20, 2018
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When so much meat is consumed that the digestive process stalls
Following Christmas dinner I had such bad meatlock it took until NYE to recover
by Gomezz77 October 2, 2016
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