1 definition by sinceracienporciento

1. shit eater (literally)
2. someone who doesn't know what the hell they are doing, what they are talking about, isn't paying attention to what they are doing, is stupid, etc.
3. someone who has nothing better to do than write hateful shit about their latino brothers (be it against Mexians, Puerto Ricans, Dominicans, Cubans, or any other Latinos) on UrbanDictionary.com. Find something better to do with your time, comemierdas.
(Commonly used Cuban/Puerto Rican(?) expression)
Guy 1: *walks into a wall* whoooaaaa my bad
Guy 2: goooood you are such a comemierda.
Guy 1: well at least I have better things to do than write hateful shit about other Latinos on Urban Dictionary. who's a comemierda now, mojon?
Guy 2: ...
by sinceracienporciento June 4, 2011
Get the comemierda mug.