psyched up psyched up {adj.}, {informal} Mentally alert; ready to do something. The students were all psyched up for their final exams. Categories: add yours {adj.} {informal} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: P Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Discuss