Green’s Dictionary of Slang

1. to smoke a pipe.

1836		W.H. Smith ‘The Thieves’s Chaunt’ in Farmer Musa Pedestris (1896) 120: There is a nook in the boozing ken, / Where many a mug I fog.
1925		J. Stevens ‘Logger Talk’ in AS I:3 137: When he leaves the cookhouse he ‘fogs-up’ on his pipe, or takes a ‘rear of snoose’.
1937–84		Partridge DSUE (1984) 415/2: C.18–early 19.

2. (US) to go fast, to rush around, to chase.

1885		O. Wister Texas Vocab. in Wister Owen Wister Out West (1958) 159: To fog to hurry, to scamper, to go quickly.
1907		W.M. Raine Bucky O’Connor (1910) 12: Here comes your train a-foggin’.
1930		J.J. Jones ‘More Sl.’ in AS V:4 305: fog—Hasten. Sometimes it means to express resentment.
1939		Howsley Argot: Dict. of Und. Sl.
1948		N. Nye Breed of the Chaparral (1949) 132: You’re dashin’ out into a desert with half the scum of the town foggin’ after you.

3. (US) to fire a gun rapidly.

1904		‘O. Henry’ in Works 832: We fagged [sic] ’em a bunch of bullets.
1929		C.G. Givens ‘Chatter of Guns’ in Sat. Eve. Post 13 Apr.; list extracted in AS VI:2 (1930) 132: fog, v. Fire a pistol.
1933		R. Chandler ‘Blackmailers Don’t Shoot’ in Red Wind (1946) 121: Landrey and some little hoof fogged each other.
1949		Monteleone Criminal Sl. (rev. edn).
1950		Goldin et al. DAUL 73/1: Fog. v. (South) To shoot.
1962		Ragen & Finston World’s Toughest Prison 799: fog – To shoot.

4. (US) to attack; to kill.

1930		D. Hammett Maltese Falcon (1965) 415: Make him lay off me. I’m going to fog him if he keeps it up.
1939		J. Latimer Red Gardenias 136: The smooth-faced young man had his pistol out again. ‘I can fog him easy, Slats,’ he said.
1946		J. Evans Halo in Blood (1988) 78: She didn’t fog him.
1949		Monteleone Criminal Sl. (rev. edn).

5. (US) to scold, to complain.

1930

J.J. Jones ‘More Sl.’ in AS V:4 305: fog—Hasten. Sometimes it means to express resentment.

6. (US prison) to delouse a new prisoner.

1992

Bentley & Corbett Prison Sl. 8: Fogged De-lousing an inmate. It is customary procedure in jails and prisons to de-louse inmates as part of initial processing. When an inmate has been de-loused, he has been fogged.