For some time, many of us have wondered who is 'Jack Shit"? We find ourselves at a loss when some one says "You don't know Jack Shit" Well thanks to my efforts you can now respond in an intellectual way :Jack Shit is the only son of Awe shit who married O shit. The owners of Knee Deep in shit. In turn Jack shit married No shit,The couple had 6 children:Holy shit,Give a shit,Full of shit,Bull shit,and the twins Deep shit and Dip shit.Deep shit married Dumb shit, a high school drop out. After 15 years, Jack and No shit got divorced and she married Ted Sherlock and became No shit Sherlock.Meanwhile Dip shit married Shit-happens. Bull shit traveled the world and returned home with an Italian bride Pisa shit. So tell me now I don't know Jack Shit!