Top Definition
fat mexican babies are someone with yellow teeth that are as bright as the sun they are also on and off steroids that makes there faces fat and they look like chimpmonks they are usually lazy beast always buying candy for there teeth to add more plaque they have there grandfather's first name as their middle name. there last name starts with a W and ends with a R.
for example if you walk into a store and this dude is buying lots of candy he is a fat mexican babies.
by johnson255 October 03, 2009
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