a viente! Same to you. [A nonsense phrase]
cutre: an idiot. Una cosa cutre = something you don’t like
dabuten: great, cool; e.g. una tía dabuten = a great girl
ese: a homeboy. This is friendly term, often used in greeting, e.g. Oye ese! Que hay de nuevo? = Hey there, homeboy, what’s up?
ocho ochenta! I don’t care what you say, blah, blah, blah! Literally, of course, the phrase is simply eighty-eight
pelotudo: a careless clot, a slob
pendejo: idiot. This is such a gross insult, its use is banned on Mexican television.
Another insult is "el rene", especially when applied to a Mexican with very dark skin
timbon: very fat
zurramato: stupid, lazy and and often very ugly to boot