Alvarito Share definition Flag Alvarito is Spanish slang for: "fuckin cunt" Dude, stop being an alvarito. Or as they would say in Spanish: tio, deja de ser un alvarito Alvarito by kakkmaddafakkas June 18, 2014 0 0 Get merch Get the Alvarito mug. Buy Now — $32.95 See more merch