Testicles. Idiomatic for great courage or boldness, over and above merely possessing "balls," or even "some fuckin' balls."
by Gullinkambi March 23, 2008
A sexual act in which the male engages in mammary intercourse (i.e. 'tittyfucking') backwards while grinding the supine female's face between his buttocks.
You ever given your woman the rototiller?
by Gullinkambi December 17, 2009