clutch up

clutch (up)

in. to become very tense and anxious; to freeze with anxiety. I have been known to clutch up before a race.
See also: clutch, up
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • fettie
  • bluh
  • bousta
  • Hey!
  • lucci
  • horseradish
  • base
  • brutal
  • doje
  • areous