In its most literal form, any member of the wrench family featuring a screw-adjustable aperture, allowing one wrench to fit any sized nut or bolt. While not the ideal tool for the job, the mexican speed wrench is the fastest.
Is that bolt there a 15mm or 16mm? Ah, fuck it. Hand me the mexican speed wrench.
by dbbartender October 1, 2006
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When your girl works your ball sack with both fists like a speed bag at the gym all whilst you sing the popular Mexican song Cielito lindo otherwise known as the Ay, Ay, Ay, Ay song at the top of your lungs.
Sonja was beating Carl’s balls good as he loves a Mexican speed bag.

Through the thin walls of his apartment, the sounds of Ay, Ay, Ay, Ay, Canta y no llores could be heard.
by Eaton Holgoode January 8, 2018
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When a person does a line of any snorted drug off of a monkey's ass then licks the anis of the monkey
Dude I did a Mexican speed monkey last night
by MetalMan95100 March 18, 2010
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Tying a razor blade to ones penis, and smacking another person in the mouth with it
by county boy 101 February 22, 2014
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