Idiom: Have A Jag OnCheck definitions of...haveajagonMeaningsHow to pronounce "have a jag on":AU Your browser does not support the audio element. To be drunk.Example Sentences1He tends to have a jag on when things don't go his way.A-Z Proximitieshave a good timehave a hand inhave a handle onhave a head forhave a heart have a jag on have a laughhave a lot of time forhave a mind of one's ownhave a momenthave a mountain to climbSimilar Idiomshave a jag on