When a male eats corn for supper and then takes a shit and doesn't wipe good so when the man get head he leaves some corm on his penis and balls so it is corn on the knob
Thomas doesn't wipe very good after he takes a shit and his girlfriend is gonna get to perform corn on the knob
by Facia February 26, 2019
Get the Corn on the knobmug. A phrase when used that makes your significant other shake their head and grin imagining double entendre.
by Banner77 June 21, 2017
Get the double knobmug. When the inner lining of the cologne becomes permanently inverted outside of the body as a result of extensive anal sex, forming a knob of scarred tissue around the asshole.
by truthBtold December 15, 2014
Get the rectal knobbingmug. 
A knob knuckle is the term used for accidentally grabbing a testicle during the act of male masturbation, then yanking it swiftly up into the centre of an erect penis, giving a knee cap, or knuckle type appearance in the centre of the shaft.
- To knob knuckle someone is to cause them pain through some form of passive aggressive behaviour, often resulting in some subtle yet severe psychological trauma.
- To be a knob knuckle is to perform activities in a careless fashion, not paying full attention to the task in hand.
- To knob knuckle someone is to cause them pain through some form of passive aggressive behaviour, often resulting in some subtle yet severe psychological trauma.
- To be a knob knuckle is to perform activities in a careless fashion, not paying full attention to the task in hand.
by P0rn P!g September 19, 2019
Get the knob knucklemug. by drilldoe November 30, 2013
Get the knob goaliemug.