dirty castro Share definition Flag It's the dirty sanchez taken to the next level. In this case your adding, along with the fecal moustache, a beard. She wanted to spice things up and the Dirty Castro seemed like the right thing to do. dirty castro by Rob 'Limphog' B. September 17, 2008 0 0 Get merch Get the dirty castro mug. Buy Now — $32.95 See more merch