out for, be

be out for (something)

1. To be very eager to or intent on achieving or obtaining something. You can tell the young legal aide is out for a promotion, judging by the amount of time and energy he keeps putting into each case. You can tell that Hamilton is out for revenge against the driver that snatched victory from him at the last second.
2. To be absent from one's usual location in order to do or get something. Sorry, Mrs. Murphy is out for lunch—can I take a message? Let's go out for dinner tonight. I really don't feel like cooking.
3. To be absent from one's usual location or activity for a particular length of time. The boss is going to be out for a week while she takes her vacation. Your teacher it out for the day with the 'flu, so Mr. Roberts here is going to be your substitute teacher.
See also: out
Farlex Dictionary of Idioms.

out for, be

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.
See also: out
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • be out for (something)
  • out for
  • out for (something)
  • come for
  • come for (someone or something)
  • within a hair of (something)
  • within an ace of
  • within an ace of (doing) (something)
  • within an ace of doing something
  • within an ace of something/of doing something