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. 
Get the shin knucklemug. by 910hqgurl September 29, 2017
Get the beaver knucklemug. The absolute goat of hxh. And the most underrated. Knuckle bine solos ur fav tbh. And knuckle bine likes dogs. I named my bamboo bine because of knuckle bine😦 if you hate knuckle leave 👉🚪
by Bigmomma69🔥💯 October 24, 2022
Get the Knuckle binemug. by Anonymousbabe December 15, 2008
Get the Knuckle Spikesmug. by Shrek 01 January 2, 2020
Get the Knuckles' Sandwichmug. by Mr Buttsboy March 16, 2024
Get the crab knucklemug.