Green’s Dictionary of Slang

(US) of individuals, mad, crazy, obsessed with; of objects, absurd.

1905		F. Hutchison Philosophy of Johnny the Gent 32: [E]ight sets o' home-made slippers [...] an a few more bug fixin’s that you couldn't pay a sane citizen a salary to wear.
1908		H. Green Maison De Shine 118: I hate to see you goin’ bug over that old alligator. [Ibid.] 126: Them people’d drive yuh bug!
1908		K. McGaffey Sorrows of a Show Girl Ch. ix: Everybody had a large bunch of fun kidding me about my inheritance till I was nearly bug.
1919		Van Loan ‘The Squirrel’ in Score by Innings (2004) 339: You mark my words [...] Wicks is going violently bug one of these days.
1972		(con. 1916) G. Swarthout Tin Lizzie Troop (1978) 20: They will drive me bug, thought Stanley Dinkle.