flumchuck Share definition Flag The act of cumming down a congested ill woman's throat, only to be greeted with the flem and cum she coughs back up. I heard jaws flumchucked all over Dejesus' millimeter peter. flumchuck by emery Fleshlight August 14, 2022 0 0 Get merch Get the flumchuck mug. Buy Now — $32.95 See more merch