1. make a forceful move against; - Example: "the electronic travel market is slam-dunking traditional travel agencies"
2. make a slam dunk; shoot a basketball in a slam dunk;
WordNet (r) 3.0 (2006):
slam-dunk
v 1: make a forceful move against; "the electronic travel market
is slam-dunking traditional travel agencies"
2: make a slam dunk; shoot a basketball in a slam dunk