Shtub Share definition Flag A name for someone who gets so drunk that they shit in the bath tub. "Dude, did you see what's in your bath tub?" "Yeah, that was Chris, he's a Shtub." Shtub by MrMeadows October 16, 2012 0 0 Get merch Get the Shtub mug. Buy Now — $32.95 See more merch