(The), 24 Geo. II., chap. 40, which restricted the sale of spirituous liquors retailed on credit for less than 20s. at one time. In part repealed. A “tippler” originally meant a tavern-keeper or tapster, and the tavern was called a “tippling-house.” At Boston, Lincolnshire, in 1577, five persons were appointed “tipplers of Lincoln beer,” and no “other tippler [might] draw or sell beer” ... under penalties.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894