gotcha /(gŭn"nŭ)/

got·cha

gotcha

phr.
  1. Got you; I got you; as, I gotcha!.

gotcha

n.
  1. A situation in which a mistake by one person which is pointed out by another person; see gotcha, phr.. [colloq., phonetic spelling]
  2. A situation in which an error or indiscretion by one person is deliberately caused by another person -- a mild form of entrapment with malicious or humorous intent; as, he was furious to be the victim of a gotcha
    Kathleen "Kit" Gingrich (Sept. 23), 77, mother of former House Speaker Newt Gingrich . . . became famous as the victim of a "gotcha" interview by CBS's Connie Chung; the TV personality coaxed ("whisper it to me, just between you and me") out of Mrs. Gingrich a nasty comment attributed to her son concerning then-First Lady Hillary Rodham Clinton -- and then aired it.
    — World on the Web [Obituary notice: October 4, 2003].
  3. A situation or attribute which tends to cause one to make an error; as, one of the main gotchas in learning English is the frequency of non-phonetic spellings.