Chicano for "veteran". A retired or current gangbanger with experience.
"That fool Jose is an O.G. Veterano."
by Serafino May 22, 2006
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An elderly cholo, older cholo
That Veterano can throw a mean Chankla... Meaning he can dance
by Ziggieloca February 12, 2018
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An older and well respected member (or former member) of a gang, club, or clique. This word is mostly used in Chicano gangs and cliques.

An O.G.
See that old vato right there, that’s Big Lefty, he’s a veterano.
by athena411 March 20, 2021
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