Retabretsam Share definition Flag (Noun)-Someone who ejaculates with their back turned towards you. Oh, there's that "Retabretsam"... I better watch to make sure he doesn't turn around and start whackin' it. Retabretsam by Where's Waldo?!? February 12, 2010 0 0 Get merch Get the Retabretsam mug. Buy Now — $32.95 See more merch