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].