knuckle hunter 

single male that constantly searches for female companion to lay

"That boy ain't no gentleman, he's a knuckle hunter!"

knuckle hunter by chains666 April 3, 2009

Moose Knuckle Hunter 

To actively go after large women for sex because they are easier to seduce and the weakest of the herd of women present.

Man, Steve is such a Moose Knuckle Hunter. Of all the chicks at this bar he preys on the fat chicks.

Moose Knuckle Hunter by Squatting Bear December 14, 2009