Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Slang Having a very excitable or nervous temperament; high-strung.
  • adj. Slang Emotionally stimulated or overexcited.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Short for hyperactive

Etymologies

Short for hyperactive.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

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