knob on your cob Share definition Flag The act of sucking dick as if you're nibbling on a large, buttery, corn on the cob. Dude, Olivia just knobbed on my cob like a starving Nigerian child!"I'll knob on your cob, Jon" knob on your cob by Hourumiyamoto September 13, 2016 0 0 Get merch Get the knob on your cob mug. Buy Now — $32.95 See more merch
