psych someone up

psych (someone or oneself) up

To increase someone's or one's own excitement, confidence, or mental preparation. The coach psyched us all up just before we headed out onto the field. I was pretty nervous before the test, so I took a few minutes to psych myself up before I started.
See also: psych, up
Farlex Dictionary of Idioms.

psych someone up

tv. to get someone excited or mentally prepared for something. (see also psyched (up).) I psyched myself up to sing in front of all those people.
See also: psych, someone, up
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • psych (someone or oneself) up
  • psych up
  • cover
  • psyched up
  • psyche
  • psyched
  • grab (someone or something) by the throat
  • grab someone by the throat
  • grab someone/something by the throat
  • get someone's dander up, to