look up any word, like thot:
 
1.
An alternative way of saying "I'm joking", most commonly present in the North East of England (AKA Geordie land).
'Jackin' being a substitute for the word 'joking'.
Friend1: "I just saw an old lady pull her knickers down!"
Friend2: "WTH! Where?!"
Friend1: "Am Jackin ya chips man!"
by PeggyMcLeggy August 06, 2009