Jawbreaker (noun)

A hard candy or piece of gum that is difficult to chew.

Origin:

First recorded in the mid-19th century. origin is unknown.

Examples:

1. She kept a jar of jawbreakers on her desk for visitors.
2. He offered me a jawbreaker and I reluctantly took it.
3. The jawbreaker was so hard, I couldn't even make a dent in it.
4. I hadn't had a jawbreaker in years and I was surprised at how much they still hurt my jaw.
5. The young boy put the jawbreaker in his mouth and tried to impress his friends by biting it.