Green’s Dictionary of Slang

bump n.2

[SE bump, a swelling]

1. (US) a raise, a promotion.

[US]New Yorker 5 Nov. 87: Leave him do a couple pitchas and I guarantee you I’ll get him a bump [HDAS].
[US](con. 1943) A. Myrer Big War 129: You got a bump to sergeant last night.
[US]Wentworth & Flexner DAS.
[US]C. Goffard Snitch Jacket 141: Captain’s rank is a twenty-grand pay bump.
[US]D. Winslow ‘The San Diego Zoo’ in Broken 130: He’ll never get the bump to Robbery now.

2. (US) the female breast, usu. in pl.

‘Traver’ Anat. Murder 64: Good bumps, too. Boy, oh boy, like...Marilyn Monroe [HDAS].

3. (US) a bonus.

[US]C. Hiaasen Nature Girl 75: Two hundred extra a week, plus commission bumps.

In phrases

like a bump on a log (adv.)

(US) silent, obdurate or inarticulate.

[US]Gallipolis Jrnl (OH) 1 June 3/3: There sat a big darkey, like a ‘bump on a log’.
Louisville Courier (KY) 3 May 1/3: It will not, like the Democrat, sit like a bump on a log without doing anything.
[US]Detroit Free Press 14 Nov. 2/3: He has sat around the committee-room, like a bump on a log, throwing cold water on enthusiasm.
[US]Pittsburgh Press (PA) 26 Dec. 3/3: I’d sit like a bump on a log through life, / And I wouldn’t do anything rash.
[US]Pittsburgh Press (PA) 17 Apr. 20/6: ‘When she got started abusing me [...] I would sit quiet, just like a bump on a log’.
[US](con. 1900s) S. Lewis Elmer Gantry 113: Kind of a nice-looking young fella, but dumm in the head. Stands there like a bump on a log.
[Can]Winnipeg Trib. 11 Apr. 37/8: ‘I don’t think it was particularly wonderful to sit up there like a bump on a log’.
[US]Freckles & His Friends 16 Nov. [syndic. comic] Listen kid, don’t sit there like a bump on a log.
Phila. Inquirer (PA) 28 Feb. 32/3: ‘She just sets there like a bump on a log, sayin’ she’ll marry Cal, come hell or high water’.
[US]Detroit Free Press 9 Oct. 6/4: They don’t want to sit around like a bump on a log and do nothing.
Hope Star (AR) 11 Jan. 3/5: [He] just sat like a bump on a log, watching TV.
Albuqerque Jrnl (NM) 13 July 9/2: ‘I sat alone in a corner like a bump on a log’.
Pittsburgh Post-Gaz. 18 June 14/5: ‘He asks every good-looking woman in the place to dance, while I sit alone like a bump on a log’.
[US](con. 1949) G. Pelecanos Big Blowdown (1999) 200: Don’t be such a bump on a log, Pete.
[US]J. Sharpe Trailsman [ebook] Why are you standing there like a bump on a log.
[US]W. Lavallee Reluctant Warrior 29: ‘I seen you sitting there on the hay bale like a bump on a log. You got to move’.