John S. Farmer, Slang and its analogues past and present…
“ See also quot. 1864. For synonyms, see Barrack-hack and Tart. 1864. E. Yates, Broken to Harness, ch. iv., p. 33 (1873) . Kate Mellor was a horsebreaker, a bonâ fide horsebreaker; one who curbed colts, and ‘took it out of’ kickers and rearers. 1865. Public Opinion, 30 Sep. These demi-monde people, anonymas, horsebreakers, hetairæ ... are by degrees pushing their way into society. Horse-buss, subs. (old) .—A loud-sounding kiss; a bite. 1785. Grose, Vulg. Tongue, s.v. Horse-capper (-coper, -coser, -courser, or -chaunter) , subs. (common) .—A dealer in worthless or ‘faked’ horses. ”
