subs. (colloquial).A popular personification of frost; cf. JOHN FOG and TOMMY SNOW.
1888. Notes & Queries, 7, S. v. 109. This jubilee year of 1887 has not commenced very well with us sporting folk. JACK FROST, John Fog, and Tommy Snow, having formed themselves into a syndicate, spoilt all our Christmas steeplechasing and hurdle-racing.