hell no! no way Jose! nada!
Él me iba a traer como 3 cervezas, y ¡nanay cucas!
He was gonna bring me like 3 beers, and he didn’t pull through!
Origin stories abound — some say it comes from an indigenous chief rejecting a Spaniard’s request for local women (cuca being a, um, part of their body), others say it comes from what cookie vendors in Caldas say when they run out of cookies. Take your pick.