Search Result for "slam dunk":
Wordnet 3.0

NOUN (2)

1. something that is a sure to occur; a foregone conclusion;
- Example: "predicting his success was a slam dunk"

2. a forceful dunk; 



WordNet (r) 3.0 (2006):

slam dunk
    n 1: something that is a sure to occur; a foregone conclusion;
         "predicting his success was a slam dunk"
    2: a forceful dunk