[f. prec. sb.]
† 1. To press chin to chin. Obs.
1599. Breton, Authors Dr., 17. A troupe or faire Ladies, Everie one her Lover, Colling and Kissing, Chinning and Embracing, and looking Babies in one anothers Eyes.
2. To bring up to the chin; also with up.
1869. Eng. Mech., 24 Dec., 357/1. It is not any fellah that can chin this kind of fiddle.
1881. Blackmore, Christowell, xv. He chins up his fiddle, and touches two strings.
3. U.S. slang. To chat, chatter.
1883. J. Hay, Bread-Winners, 168. You havent done a  thing but lay around on the grass and eat peanuts and hear Bott chin.
1887. N. York World, in Western Star, 6 April, 6/6. They chin about the best methods of relieving the poverty.
Hence Chinning vbl. sb., a talk, (slang).
1884. Sunday at Home, Jan., 44/2. Are you the boss who wants to give the boys a chinning to-morrow?
  Chin, obs. f. CHINE sb.1