A fork of Rural Dictionary
To use a big knife to stab the shit out of someone's asshole or cunt.
DuckyBubbles05 is an insolent bitch, so now I gotta knife fuck her
Matt stabbed Gennie in her hatchet wound with his fuck knife over and over until the both came. It was during her period so the end result was a mess of blood and cum
A person who is fucking dumb as all hell and don’t know what there doing with there life- also could be called a dickwad or a wad of dick
Shane: Wow John, your a fucking knife
John: yeah I know