What you call the end product when you scrounge together any tobacco and weed that you have left sitting in your rolling box, grinder or wherever else you may find some, and put it together to roll a joint. This can only be achieved when your bag of weed has finished at a time when most required. The enjoyment you get from this is unparallel in smoking terms, the name coming from the Mexican Vasectomy firework mentioned by Danny McBride in "Land of the Lost".
Fuck man, the Inbetweeners is on and we've no grass left. See if you can get a Mexican Vasectomy together
by danny mcb October 12, 2010

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Top Definition
Any kick or punch to the testicles that is so damaging, that sexual reproduction becomes impossible.
I gave that asshole at the bar last night a Mexican Vasectomy for looking at me funny.
by Derp Urban September 13, 2014

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Lotsa space for your liquids.

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Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt