Also (rarely) egg-noggy. [f. EGG + NOG strong ale.] A drink in which the white and yolk of eggs are stirred up with hot beer, cider, wine or spirits.
1825. J. Neal, Bro. Jonathan, I. 256. The egg-nog had gone about rather freely.
1844. Mrs. Houston, Yacht Voy. Texas, II. 179. Followed by the production of a tumbler of egg-noggy.
1853. Kane, Grinnell Exp., xlvi. (1856), 428. And made an egg-nogg of eider eggs.
1872. Cohen, Dis. Throat, 91. I would rely chiefly on egg-nog, beef essence, and quinine.