acid drop
noun1
An old-fashioned boiled sweet containing citric acid or tartaric acid.
- That he bestowed two acid drops and dried fig on Hetty.1930, Norman Lindsay, Redheap, Sydney, N.S.W.: Ure Smith, →OCLC, page 130:
2
A skateboarding trick in which the skater rides off a ledge and drops onto the board without performing an ollie.