Green’s Dictionary of Slang

slam-bang adj.

[slam-bang adv.]

1. (also slam bam) vigorous, energetic.

[US]Gleaner (Manchester, NH) 12 Aug. n.p.: If you are so foolish as to think that being an officer in an old slambang Company will cover your moral defects [etc].
[US]Richmond Dispatch (VA) 1 June 4/1: A baggage-man [...] handling a trunk in the usual slam-bang manner [...] threw it down with such a force as to explode a pistol within.
W. Eau Claire Argus 4 Jan. 3/6: The singular grace and dexterity characteristic of New York waiters of the impulsive or slam-bang school.
[US]Clearfield Republican (PA) 26 July 4/1: The Evangelist [...] denounces the ‘slambang’ style of writing and speaking.
[US]Record-Argus (Greenville, PA) 21 Aug. 6/2: He plays [piano] in the slam-bang, war-whoop style.
[US]Cincinnati Enquirier (OH) 14 Feb. 9/7: The husband [...] opens the door boldly; walks in with a slam-bang air.
Fayette Co. Leader (IA) 22 May 1/4: The Decorah Republican designates our manner of expressing what we have to say as a ‘slam-bang’ way. It is in error; we do not slam, neither do we bang.
[US]Iola Register (KS) 12 Jan. 4/3: Some whoop-em-up, slam-bang, barn-storming outfit.
Nebraska State Jrnl Lincoln, NE) 2 Jan. 37/2: His slam-bang, devil-may-care, go-ahead wooing receives a disastrous shock.
[US]E. Ferber ‘Blue Blood’ in One Basket (1947) 306: Molly Regan! A hearty, slam-bang, broad-breasted, light-footed creature.
[US]C. Sandburg People, Yes 31: The bargains brandished with slambang hoots and yells.
[US]N.Y. Herald Trib. Mag. 20 Oct. 15/2: He does — just as the heavies start to drag the girl away — and now we are into the ‘middle action,’ which is another term for a slam-bang fight.
[US]S. Bellow Henderson The Rain King 162: There was an all-out, slam-bang, grand salute of the guns.
[US]R. Gover One Hundred Dollar Misunderstanding 75: All the slam bam jam fuggin this daddio kin ever do jess fine by me.
[US]L. Rosten Dear ‘Herm’ 163: Well, that made Flo blow a gasket and before you know it we are having a slam-bang rubarb.
[US](con. 1940s–60s) H. Huncke ‘The Party’ in Eve. Sun Turned Crimson (1980) in Huncke Reader (1998) 173: Our making an exit [...] helped avert what might very easily have been a slam-bang free-for-all.
[UK]Indep. Rev. 1 Oct. 15: It’s a slam-bang, hit-filled finale, [...] her voice matching the band in full fury.
[US]‘Touré’ Portable Promised Land (ms.) 19: He liked that quickfast heat, that fast food, that slambang dunk.

2. (orig. US) exciting, first-rate, excellent.

[US]B. Cerf Anything For a Laugh 190: The slam-bang, wisecracking school of humor that characterizes the radio programs.
[US]F. Kohner Affairs of Gidget 76: What a fabulous, sensational, slam-bang evening.
[US]D. DeLillo Running Dog (1992) 139: Isn’t the whole thing just a slam-bang corporate adventure?