Janky Bastard

Someone who is very uncool and generally lies cheats and steals.
Dave is such a janky bastard, he tried to steal my freaking girl from me
mugGet the Janky Bastardmug.

Jank

verb; to steal anything from anybody, usually from a friend
example- Stop trying to jank my pop. He tried to jank my wallet but i stopped the bastard in his tracks.
mugGet the Jankmug.