— slam-banger , n.
/slam"bang"/ , adv. Informal.
1. with noisy violence: He drove slam-bang through the garage door.
2. quickly and carelessly; slapdash.
adj.
3. noisy and violent.
4. excitingly fast-paced, esp. in a noisy and violent way; action-filled; thrilling: a slam-bang ending to the movie.
5. vigorous and fast but careless; slapdash.
6. outstanding or powerful; excellent: a slam-bang keynote address.
v.i.
7. to act or proceed in a chaotic or disorderly fashion: The children slam-banged into the furniture.
[ 1830-40, Amer. ]