[Formed by reduplication from CHAT sb.1; cf. tittle-tattle, bibble-babble, etc. The reduplication implies repetition or reciprocation, possibly with diminutive effect. Johnson says A word only used in ludicrous conversation: it is now quite serious, though familiar.]
1. Light chat; light familiar conversation.
1710. Palmer, Proverbs, 52. Tis the custom of foolish people in their chit chat to be always biting peoples reputation behind their back.
1742. Richardson, Pamela, III. 210. The dear Prattler began such a bewitching Chit-chat with Mrs. Jervis.
1746. Chesterf., Lett., I. cxii. 306. The frivolous chit-chat of idle companies.
1824. Coleridge, Aids Refl. (1848), I. 179. I take up a book as a companion, with whom I can have an easy cheerful chit-chat.
1847. Man in Moon, Jan. I. 3. Trifles that may promote chit-chat and pleasant feelings, which we hold to be the great end of a dessert.
2. Matter of current gossip or common small talk; what people are talking about.
1710. Steele, Tatler, No. 197, ¶ 3. If Ralph had Learning added to the common Chit-Chat of the Town.
1761. Sterne, Tr. Shandy, III. xxiv. 124. Play-wrights, and opificers of chit-chat.
1843. Lever, J. Hinton, xi. 74. One was sure to hear all the chit-chat and gossip of the day.
1844. Dickens, Mart. Chuz., xxiii. 285. An additional scrap of local chit-chat.
b. attrib.
1714. Spect., No. 569, ¶ 4. I am a Member of a Female Society who call ourselves the Chit-Chat Club.
1819. Month. Rev., XC. The careless chit-chat letters of eminent men.