The delicate act of providing discipline to your mate, via a sharp striking motion with the fist, either left or right, on on the appropriate occasion both. Derived from the Latin, Bare-Knuckleous de Louve.
'This is going to hurt me more than it hurts you, I explained as I gave my girlfriend the love knuckles for her misbehaviour.
by verydarksplinky February 07, 2005
Penis. Popularized by the band GWAR.
Suckle my bloated love knuckle.
by Chase Atherton May 05, 2004