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out for, be

Idioms  
  1. Be intent on, want, as in The management is mostly out for bigger growth in sales . [c. 1900]

  2. out for blood . Intent on revenge, ready to fight with someone, as in When Tom heard they'd outbid him, he was out for blood . This hyperbolic term uses blood in the sense of “bloodshed” or “violent confrontation.” Also see go out for .