cribbin' gash Share definition Flag Occurs when a man performs oral sex on a woman's vagina in a manner similar to that of a horse eating out of a feed trough. Q: What are you doing tonight? A: Oh man, I'm just gonna be cribbin' gash non-stop. cribbin' gash by whiskerdick February 15, 2009 0 0 Get merch Get the cribbin' gash mug. Buy Now — $32.95 See more merch