English

Verb

have a jag on

1. (idiomatic, intransitive) To be drunk.
   • 1896, Bret Harte, "A Yellow Dog," in Selected Stories,

     "The old man must have an awful jag on today," was casually remarked when an extra fluffiness and imbecility was noticeable in the passing Bones.

   • 1930, Time, 14 April, 1930,

     […] Wilfred John Funk, who whiles away his time writing jingles […] sometimes pretends to be a drinking man. A Funk jingle published last week: Myra, if I have a jag on / I am apt to hitch my wagon / To a street light on occasion.