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

Apply hydrochloric acid, drop by drop, to the stain until it brightens, then dip at once into the water.

From The Complete Home by Laughlin, Clara E. (Clara Elizabeth)