[f. mod.L. the-a TEA + -IC 3: cf. THEISM2.] One addicted to immoderate tea-drinking, or who suffers from such excess; a tea-drunkard.

1

1886.  Medical News (U.S.), XLIX. 305. It is possible to be a ‘theic’ by profession or a ‘theic’ by passion.

2

1899.  in Syd. Soc. Lex.

3