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psych someone up
Inf. to get someone excited or mentally prepared for something. I psyched myself up to sing in front of all those people. The coach psyched up the team for the game.
Inf. to get mentally ready for something. I have to psych up before the big game tonight. We want to psych up so we can play a good game.
psych somebody upalso psych up somebody
to make someone enthusiastic about something they will do The children were so psyched up about about the trip that they could hardly sleep. Tim was psyching himself up to run the 26.2-mile course.
Usage notes: sometimes used without up: Willa is really psyched, and hopefully that will get the others excited.
Excite emotionally, as in The chorus was really psyched up for performing in Symphony Hall. [Slang; c. 1970]
To prepare someone mentally for some task or activity: The preview psyched us up to see the film. The coach's speech psyched up the team for the game.