What is "jack shit"

alt. (context vulgar English) nothing, anything pron. (context vulgar English) nothing, anything

Jack shit may refer to:

• Nothing
• "Jack Shit" (musician), stagename for bassist Chris Jacobson, of the band Mentors (band)
• "Jack Shit!" (2011 art exhibition), an art exhibition of works by Gavin Turk
• Jack Shit (cards), a card hand in Euchre variations
• Jackshit (band), a country music band composed of Val McCallum, Davey Faragher, Pete Thomas