bushwhack BOOSH-hwak
verb;
1. To defeat, especially by surprise or in an underhanded way.
2. To make one's way through woods by cutting at undergrowth, branches, etc.
3. To travel through woods.
4. To pull a boat upstream from on board by grasping bushes, rocks, etc., on the shore.
5. To fight as a bushwhacker or guerrilla in the bush.