turning the screw

Verb

turn the screw (third-person singular simple present turns the screw, present participle turning the screw, simple past and past participle turned the screw)

1. (idiomatic) To increase the pressure of a situation.
   • Arsenal's dominance was reflected in a flurry of goals before half-time – three in six minutes: first, Podolski turned the screw with a peach of a free-kick; then Gervinho accelerated on to Mikel Arteta's beautifully crafted pass and beat Davis at his near post with conviction; and finally...2012 September 15, Amy Lawrence, “Arsenal's Gervinho enjoys the joy of six against lowly Southampton”, in the Guardian