- a tart candy, as a sourball.
Origin of acid drop
First recorded in 1830–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for acid drop
She's only an acid-drop, and you can't size her up, just as an ordinary girl.The Mandarin's Fan
- a boiled sweet with a sharp taste
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012