Merluza Share definition Flag Literally is a spanish word to say hake, a kind of fish. It's also a slang word for getting very drunk. - Dude, i am like totally drunk.- Tío, llevo una merluza que te cagas. Merluza by Fedaykin999 October 19, 2010 0 0 Get merch Get the Merluza mug. Buy Now — $32.95 See more merch