slam-bang

(slam′baŋ′)

adverb

adjective

Informal characterized by liveliness, noise, etc.

See slam-bang in American Heritage Dictionary 4

adverb & adj.
Slang

With force and much noise: drove slam-bang through the barricade; a slam-bang collision.
With heedless speed; slapdash.
With vigorous relentless action and pace: a thriller that proceeds slam-bang to its conclusion; a slam-bang movie car chase.

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