What is como vax?

"¿Como Vax?", "Como vax?" or similar sentences, are some times used in the "internet Slang" of young users in Latin-America. Is an abbreviation of the Spanish sentence "¿Cómo vas?" where the final "s" is turned into an "x" and the opening interrogation symbol is missed. This sentence is equivalent to the question-greeting "How are you?". The literal (but not right) translation should be: "How do you go?"