by The marone ramone , August 14, 2013
Get the Knobmug. A game where a group of men secretly expose there individual penis' in a crowded room such as a bar and poke someone with it, at which point they shout to their friends, 'knob' s on'.
by Barry big bones December 24, 2016
Get the knobs onmug. british slang for penis
by phoebster September 22, 2009
Get the knobmug. by Marie Young September 10, 2007
Get the with knobsmug. 

