Someone who shows the qualities of a jackass and also a mother fucker. This person also has many twat qualities. When seen traveling with other jackfucks they are usually referred to as a flock of jackfucks.
The term used for a jackass/fucker who drives like a complete asswipe. Can usually be spotted driving a Sunfire with fake rims or a suped-up white Cavalier.
That jackfuck in the whitecavalier totally just cut me off...he must be in a hurry to buy more puka-shell necklaces and hair gel.