Possible Definitions:
1. Swap (v. i.) To strike; -- with off.
2. Swap (v. i.) To exchange (usually two things of the same kind); to swop.
3. Swap (v. t.) To fall or descend; to rush hastily or violently.
4. Swap (v. t.) To beat the air, or ply the wings, with a sweeping motion or noise; to flap.
5. Swap (n.) A blow; a stroke.
6. Swap (n.) An exchange; a barter.
7. Swap (n.) Hastily.
