beer coaster

plural beer coasters

1. Used other than figuratively or idiomatically: see beer, coaster.

   In barrooms, sitting next to you, Whitey used his beer coaster to bulldoze the flakes that accumulated on the bar around him into tiny sand dunes. Fascinated, you might enquire about his tattoo.

   1999, Pamela Diamond, “Whitey”, in Southwest Review, volume 84, number 2, page 254

   1 more example

   Even though participants did not expect any benefit, they threw customized darts more accurately, they came up with more anagrams using a customized pen, and they played a beer-coaster flipping game better with customized coasters.

   2017 April 29, Matthew Hutson, “Put a Bird on It. Customizing possessions boosts performance”, in Scientific American Mind, volume 28, number 2, page 12a

2. slangSynonym of tramp stamp (“a tattoo on a woman's lower back”).

   Synonyms: tramp stamp