An angler who sees another angler approaching and quickly vacates where he/she is fishing. Then at a very fast pace...or near-trot...beats the other angler to the next hole, run or pool. In doing so they furtively look over their shoulder to make sure the other angler will not over-take them. Unlike a "bull-rush" in football where brute-force is primarily used, a "hole-rusher" uses speed in lieu of muscle.
Alternately known as...a "Rush-Hole"