knobbish Share definition Flag Action or behavior similar to that of a knob, thought not necessarily implying that one is a knob. Tom thinks his idea of good music rocks, and he thinks everything else sucks. That's really knobbish. knobbish by boo January 5, 2005 0 0 Get merch Get the knobbish mug. Buy Now — $32.95 See more merch
