bangtail

noun

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.

   “1903, Tom Collins (Joseph Furphy), Such Is Life: Being Certain Extracts from the Diary of Tom Collins, 2004, page 68, "And did you see a dark chestnut horse; bang tail; star and snip; white hind feet; saddle and bridle on?" I asked.”

   “Lennan held the black horse — a bizarre little beast, all fire and whipcord, with a skin like satin, liquid eyes, very straight hocks, and a thin bangtail reaching down to them.”

   “Once we get the herd we can set up relays to keep the bangtails movin' as we go.”

2. (US)A racehorse.

   ““Eddie!” whinnied Daley, the distraught worshipper of the bang-tails. “Eddie! Phar Lap is dead!””

   “Americans bet $5,000,000,000 a year on the galloping bangtails.”

   “If you happen to be out on the far east side between April 23 and September 5, with $10 burning a hole in your pocket, hie yourself out to River Downs Race Track, 6301 Kellogg Avenue, and bet on the bangtails.”

   “I was ridin' the horses then, you understand, and maybe known to take a flutter or two on the bangtails while I was about it.”

3. (slang)A prostitute.
4. An envelope with a perforated flap on which promotional material is printed; the flap on such an envelope.

verb

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