Green’s Dictionary of Slang

1. (US) to beat up, to trounce; to punish severely.

1939		K. Tennant Foveaux 232: Goes and takes a job as a volunteer and gets himself fractured. I don’t wonder the woman’s frightened.
1961		W.R. Burnett Round the Clock at Volari’s 107: ‘We always answer the phone that way now.’ ‘What does your mother say?’ ‘Oh, it’s only when she’s not here. She’d fracture us’.
1971		E.E. Landy Underground Dict. (1972).

2. (US) to astonish, to disconcert; to amaze.

1944		P. Kendall Dict. Service Sl. n.p.: it fractured me . . . nonplussed me.
1956		‘James Updyke’ [W.R. Burnett] It’s Always Four O’Clock 108: Walt [...] slapped his hands, shook his head. [...] He was feeling it, man! [...] He fractured ‘em. You should have seen them chicks. They screamed.
1962		W.R. Burnett Widow Barony 203: Chuck glanced up at her, trying not to show his emotions. This big chick really fractured him; she really did.
1971		E.E. Landy Underground Dict. (1972).
1976		A. Salkey Come Home, Malcolm Heartland 169: Fracture him wit’ the news ’bout beloved Tom.

3. to make one laugh, to amuse greatly, e.g. that fractures me, that’s an amusing joke.

1952		W.R. Burnett Little Men, Big World n.p.: You fracture me, Elmer [...] To look at you, a person would think you just came in wih a car-load of cattle.
1962		S. Longstreet Flesh Peddlers (1964) 272: And she talks. That fractures me – she talks.
1971		H.E. Roberts Third Ear n.p.: fracture v. to make one laugh; e.g. This will fracture you.