Honkymuma Share definition Flag a feeling you get when you really need the crapper, or when you have an increased amount of tension building up in your abdomen.also known scientifically as gastric friction. "Rose, are you o.k in there?" "Yeah, nearly done...honkymuma..." Honkymuma by guess April 10, 2003 0 0 Get merch Get the Honkymuma mug. Buy Now — $32.95 See more merch