acid drop

American  

noun

British.

1. a tart candy, as a sourball.

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acid drop British  

noun

1. a boiled sweet with a sharp taste

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Etymology

Origin of acid drop

First recorded in 1830–40

Example Sentences

If the acid drop fizzes slowly on the powdered mineral, the specimen is dolomite.

From Textbooks • Jan. 1, 2017

If the acid drop effervesces or fizzes on the surface of the rock, the specimen is calcite.

From Textbooks • Jan. 1, 2017

"That never bothered my readers in the past," Joanne snapped as sweetly as an acid drop from Howard's delicatessen.

From The Guardian • Sep. 30, 2012

I think you need to acid drop tail-first, let your tail sink in, and then fall forward.

From Time Magazine Archive

There was at first a dismal little whine at being touched and moved, but when a pleasantly acid drop was put into his little parched mouth, he smiled with brief content. 

From Grisly Grisell by Yonge, Charlotte Mary