off (one's) game

off (one's) game

Unable to perform as well as usual. She never misses that shot. She must be off her game today. Staying up late last night really put me off my game at work.
See also: game, off
Farlex Dictionary of Idioms.

*off one's game

Fig. not able to play a sport as well as normal. (*Typically: be ~; put one ~; throw one ~.) I'm a little tired, and that generally puts me off my game.
See also: game, off
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

off (or on) your game

playing badly (or well).
See also: game, off
Farlex Partner Idioms Dictionary
See also:
  • off game
  • off your game
  • break (someone's) serve
  • break someone's serve
  • be on (one's) game
  • be on game
  • in the game
  • fair play
  • fair play (to you)
  • monkey in the middle