bangtail

Meanings

1. The tail of a horse or cow, allowed to grow out and then trimmed horizontally so as to form a tassel; a horse or cow having such a tail.
2. A racehorse.
3. A prostitute.
4. An envelope with a perforated flap on which promotional material is printed; the flap on such an envelope.

1. To shear off the hair horizontally at the end of a cow or horse's tail.

Etymology

From bang + tail. The primary meaning refers to the sense bang (“fringe of hair cut across the forehead”).