E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
To go on tickon ticket. In the seventeenth century, ticket was the ordinary term for the written acknowledgment of a debt, and one living on credit was said to be living on tick. Betting was then, and still is to a great extent, a matter of ticki.e. entry of particulars in a betting-book. We have an Act of Parliament prohibiting the use of betting tickets: Be it enacted, that if any person shall play at any of the said games (otherwise than with and for ready money), or shall bet on the sides of such as shall play a sum of money exceeding £100 at any one time upon ticket or credit he shall, etc. (16 Car. II. cap. 16.)
If a servant usually buy for the master upon tick, and the servant buy some things without the masters order the master is liable.Chief Justice Holt (Blackstone, chap. xv. p. 468).