full-court press

Short definition from Wiktionary

Noun

1. 1
   A coordinated maneuver, involving all team members, to block or interfere with the opposing team's attempt to advance the ball down the playing court, so as to force a turnover or backcourt violation.
2. 2
   A thorough, collaborative effort to overcome or constrain another person or group, especially a rival or opponent.
3. 3
   Alternative spelling of full-court press.