plunder the tip
v. phr.— «Plundering the tip—to give away several free articles together with goods sold to create a feeling in the crowd that the house is full of bargains.» —“Jewelry Auctioneers’ Jargon Obtained From Auctioneers and Jewelers on 42nd Street and 14th Street” by Hatch in New York City Lexicon of Trade Jargon , 1938-39. (source: Double-Tongued Dictionary)
Further reading
There are eight major planets, but more than a million minor ones, including asteroids. If you discover one, you get the honor of naming it. The Dictionary of Minor Planet Names includes minor planets named for rock bands, jazz musicians, poets, and...
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