Leppin' Share definition Flag Irish slang. Used normally within the phrase "leppin' with the hunger" as in, "i'm dying for something to eat" or "i'm starving" Definitely, i'm leppin' with the hunger! Leppin' by shauny_yo June 22, 2011 0 0 Get merch Get the Leppin' mug. Buy Now — $32.95 See more merch