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1920 Illustr. Sporting & Dramatic News 17 Jan. 702/3 It is very much nicer to have your opponents' score at love, because then if you keep quite quiet they will sometimes egg each other into an overcall, in the belief that you have nothing in your hand. This is what I call the Silent Trap.

1931 A. E. M. Foster Auction Bridge made Clear 119 When the opponents are saying ‘No bid’ they are not necessarily void of high cards. They may be willing to leave the bidders alone while the contract is under the game line, but quite prepared to step in with a punishing double if the game is bid. This is known as the ‘Silent Trap’.

1935 Western Mail (Perth, Austral.) 10 Oct. 28/5 South thought that as North had called third in hand it was very probably psychic, and East may have been setting a silent trap to get a bigger penalty.

1999 Times 29 Nov. 55/1 The silent trap by the wife of the partnership who was only interested in slams and penalties.