subs. phr. (common).—1.  A half-burnt plug of tobacco left in the bowl of a pipe.

1

  2.  (colloquial).—A lingering antique.

2

  1846.  DICKENS, Dombey and Son, x. 79. An old campaigner, sir, said the Major, a smoke-dried, sun-burnt, used-up, invalided OLD DOG of a Major, sir.

3

  Adj. phr. (old).—Particularly good.

4

  1596.  NASHE, Have with You to Saffron-Walden, Epis. Ded. par. 5. O, he hath been OLDE DOGGE at that drunken, staggering kinde of verse.

5

  1664.  BUTLER, Hudibras, II. iii. 5, 208. He (Sidrophel) was OLD DOG at physiology.

6

  c. 1696.  B. E., A New Dictionary of the Canting Crew, s.v. OLD-DOG-at-it, good or expert. Ibid. OLD-DOG-AT-COMMON-PRAYER, a poor Hackney that cou’d Read, but not Preach well.

7

  1785.  GROSE, A Classical Dictionary of the Vulgar Tongue, s.v.

8