Yuckums Share definition Flag A word you use when something is really nasty or gross. Kinda like that chinese glutinous rice ball lol jk those are so tasty. WTF Yuckums dude what is that?! Yuckums by LashingMarco July 11, 2010 0 0 Get merch Get the Yuckums mug. Buy Now — $32.95 See more merch