offside trap

offside trap (usually uncountable, plural offside traps)

1. (soccer) A defensive play intended to catch the attacking team offside, generally in such a way that the defense line suddenly and simultaneously moves forward.

   He managed to beat the offside trap and clinch the winner.

   • 2010 December 28, Kevin Darlin, “West Brom 1 - 3 Blackburn”, in BBC‎^[1]:

     But the visitors started the game in stunning fashion when Morten Gamst Pedersen dinked forward a clever looping pass and Kalinic beat the offside trap, surged into the box and beautifully placed the ball past goalkeeper Scott Carson.