verb/esˌtaɾ ˈt͡ʃeles/
to be quits; to be satisfied with the fulfillment of the responsibilities, obligations or promises agreed with other people; to have no debts, responsibilities, obligations or promises left to fulfill.
“Ya te pagué el dinero que te debía, ¿estamos cheles, verdad?” — I just paid you the money I owed you, we are quits, right?
Synonyms: quedar cheles
Literally, “to be white”. Presumably originated from flour or lime unloaders in Metapán, as these materials would cover them in white powder by the end of the unloading process.