Green’s Dictionary of Slang

scram v.

[SE scramble or Ger. schrammen, to run away]
(orig. US)

1. (also scram out) to escape, to run off.

[US]S.J. Perelman letter 2 Apr. in Crowther Don’t Tread on Me (1987) n.p.: The lucky gal and myself [...] will probably ‘take the step’ (ha ha!) around July 1st, scramming for France shortly afterward.
[US]C. Himes ‘Prison Mass’ in Coll. Stories (1990) 164: As it was, he had been getting ready to scram.
[UK]N. Mitford Pigeon Pie 181: Now we must scram.
[UK]E. Rutherford diary 3 Dec. in Garfield Our Hidden Lives (2004) 139: I’m sure terrible trouble is coming soon to India and do wish we’d scram out while we safely can.
[Aus]K. Tennant Joyful Condemned 309: So you scrammed out of there?
[UK]G. Kersh Fowlers End (2001) 57: All right, Mr. Yudenow—buzz off. Kind of scram. Go on.
[US]C. Himes Rage in Harlem (1969) 72: Come on, let’s scram, they done left us.
[UK]P. Fordham Inside the Und. 41: He was to scram across the roof.
[US]S. Kernochan Dry Hustle 29: Oopadoop, I gotta scram now.
[US](con. 1940s) C. Bram Hold Tight (1990) 87: You want to cheer me up, cheer me up by scrammin’.
[UK]N. Barlay Hooky Gear 226: Garms I just dump on the bed in case I have to scram.
[US](con. 1973) C. Stella Johnny Porno 31: Last thing the old man said to me before he scrammed [...] ‘Parents split up all the time nowadays’.

2. as imper. scram!

W. Winchell in N.Y. Eve. Graphic 4 Oct. 23: His [i.e. Jack Conway’s] popular slang creations include [...] ‘scram’, meaning ‘git out!’.
[US]J. Lait Put on the Spot 150: Get the hell out o’ here, will you? [...] Scram!
C.B. Yorke ‘Snowbound’ in Gangster Stories Oct. n.p.: ‘Give them the works if there‘s any funny business. Scram’.
[UK]G. Kersh Night and the City 69: ‘Oh, scram,’ grunted Fabian.
[US]J.K. Butler ‘Saint in Silver’ in Goulart (1967) 81: I don’t like you hanging around, so scram.
[US]C. Chessman Cell 2455 85: Now scram. All of you.
[US]R. Abrahams Deep Down In The Jungle 148: Scram, chickenshit, fuck with someone your size.
[Ire]E. Brady All in! All in! 81: Two little sausages / Frying on the pan. / One got burned, / And the other said – scram!
[UK]B. Chatwin Songlines 149: ‘Out!’ he barked at the shoppers. ‘Out! Out! Scram!’.
[UK](con. 1950s) J. Byrne Slab Boys [film script] 21: Aye very droll ... scram.
[Ire]G. Coughlan Everyday Eng. and Sl. [Internet] Scram! : go away!

In derivatives

scramming (n.)

(UK Und.) of a tramp, taking a job of work, then quickly moving on.

[UK]Leaves from Diary of Celebrated Burglar 108/1: The most of his work being done in the several Unions along the road where they had to apply for ‘chuck.’ At other times, when ‘scramming’ got unpayable, something white on a roadside hedge would disappear, and [...] ’twas converted into ‘posh’.
scramsville (n.) [-ville sfx1 ]

desertion, the act of running off; note cit. 2003 mis-defined as a v.

(con. 1950s) Baranowski ‘The Rat Pack Lexicon’ homepage on Northern Kentucky University [Internet] scramsville--to run off.

In phrases

do the scramming act (v.)

(US) to disappear, to run off.

[UK]P. Cheyney Don’t Get Me Wrong (1956) 48: I am not worryin’ very much about this guy who has done the scrammin’ act.