Penis. Popularized by the band GWAR.
Suckle my bloated love knuckle.
by Chase Atherton May 05, 2004
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