Noun
hard bright-colored stick candy (typically flavored with peppermint)
sugar in large hard clear crystals on a string
Source: WordNetOne of the students coerces the rest of the class into spiking their teacher’s coffee with a handful of disgusting materials, ranging from soda, shaving cream, and mysterious pills to bubbles, grass, rock candy, and laxatives. Source: Internet
Nobody celebrates life more than Marcher Arrant as he walks alone in the mountains on a breezy sunny day singing ‘the big rock candy mountains’ as loud as he can. Source: Internet