'Flip dog' definitions:
- Flip \Flip\ (fl[i^]p), n. [Cf. Prov. E. flip nimble, flippant,
also, a slight blow. Cf. Flippant.]
A mixture of beer, spirit, etc., stirred and heated by a hot
iron.
[1913 Webster]
- Flip dog, an iron used, when heated, to warm flip.
[1913 Webster]