Jawbreaker (noun)
jawbreaker [jaw-brey-ker]
noun
1. Informal. a word that is hard to pronounce.
2. a very hard, usually round, candy.
3. Also called jaw crusher. Mining. a machine used to break up ore, consisting of a fixed plate and a hinged jaw moved by a toggle joint.
See more synonyms on Thesaurus.com Origin: First recorded in 1830-40; jaw + breaker
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