from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun One who bites one's fingernails as a nervous habit.
  • noun A situation marked by tense nervousness or apprehension, especially an athletic contest whose outcome is uncertain near its finish.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun one who bites or chews his or her fingernails
  • noun idiomatic a nervous or uncomfortable situation
  • noun An engaging or exciting cliffhanger.


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