penis slut Share definition Flag A male who desperately tries to get some action by showing off his penis to sleazy women. "yo freddy, that penis slut adam has flashed half the female population...what a dirtbag. penis slut by Ashbury's Dirtbag April 1, 2007 0 0 Get merch Get the penis slut mug. Buy Now — $32.95 See more merch