slam-dunk

Noun

slam dunk (plural slam dunks)

1. An impressively forceful dunk.

   Synonyms:

   dunk shot, over-the-rim shot

2. (colloquial, idiomatic) A task expected to present no difficulty, a piece of cake.
   • As long as you get the vice president's approval first, it'll be a slam dunk.
3. (yachting) Tacking on top of the wind of the following yacht in close quarters

See all 4 meanings of slam dunk