Rabazo Share definition Flag Spanish slang for a big penis. A Rabo is a penis, a Rabazo is a BIG penis ´Tengo un rabazo.´ This means the same thing as ´Tengo una gran polla.´ english: Í have a big cock.´ Rabazo by ivgotit June 10, 2011 0 0 Get merch Get the Rabazo mug. Buy Now — $32.95 See more merch