have a jag on

have a jag on

To be drunk. A: "Don't mind him, he just has a jag on." B: "Seriously? How is he drunk already?"
See also: have, jag, on
Farlex Dictionary of Idioms.
See also:
  • funky-drunk
  • glazed drunk
  • cross-eyed drunk
  • blind drunk
  • dead drunk
  • howling drunk
  • have a brick in (one's) hat
  • half-canned
  • half-sprung
  • half-stewed