v., n., & adj.
--v.
1. tr. swing (a scythe or stick etc.) audibly through the air, grass, etc.
2 intr. move with or make a swishing sound.
3 tr. (foll. by off) cut (a flower etc.) in this way.
--n. a swishing action or sound.
--adj. colloq. smart, fashionable.
Derivatives:
swishy adj.
Etymology: imit.