Green’s Dictionary of Slang

psych v.

[abbr.]

1. (also psyche) to psychoanalyse, to undergo psychological testing.

[US]L.E. Lawes Twenty Thousand Years in Sing Sing 152: ‘They place dominoes upside down on the table and if I can’t play the game they say I’m subnormal.’ ‘If they want to psyche me, they can go ahead and do it,’ another prisoner remarked.
[US] in T.I. Rubin Sweet Daddy 83: Can we go easy on the psyching bit?
[US]F. Hilaire Thanatos 12: You get psyched and run to segregation [...] The psych talks to you for ten minutes.

2. to work out.

[US]L.E. Lawes Twenty Thousand Years in Sing Sing 154: No formal test in the mental clinic could have ‘psyched’ Bill as successfully as he did himself.
[US]Current Sl. I:2 5/1: Psych, v. To have somebody or something figured out or solved, particularly teachers or exams. [...] George psyched the course.
[US](con. 1950s) H. Junker ‘The Fifties’ in Eisen Age of Rock 2 (1970) 100: If you psyched a test, you had it made.
[US](con. 1968) D.A. Dye Citadel (1989) 244: Steve’s got it psyched.

3. (US campus) to fool, to trick, to tease.

[US]J. Kramer Instant Replay 159: Maybe he’s trying to double-psych us or something.
[US]P. Conroy Great Santini (1977) 137: He is good at psyching me.
[US]Eble Campus Sl. Fall.
[US]Eble Campus Sl. Apr.

In compounds

psych-up (n.)

(US) an act of emotional self-energizing prior to undertaking something challenging.

[US]L. Bing Do or Die (1992) 245: It’s a psych-up to put you in that ultimate moment, that climax of gunplay.

In phrases

psych (out) (v.) [SE psychologize]

1. to frighten or at least perturb someone else by playing on their inner fear; to break someone down psychologically.

[US]H. Sebastian ‘Negro Sl. in Lincoln University’ in AS IX:4 289: psyche (pronounced [saIk]). To outwit; to cross-question; to fathom one’s motives and actions when they appear unfathomable.
[US]Time 29 Apr. 35: Having discovered psychology, the cops induce ‘truth’ by psyching the subject.
[Aus]A. Chipper Aussie Swearers Guide 64: A lot of Aussie sportsmen have become very adept at this form of psyching (upsetting) opponents in order to make them come the proverbial (meet unsweet defeat).
[US]E. Torres Carlito’s Way 107: The shrinks has been conned — been psyched by the clients.
[US]C. McFadden Serial 55: For some reason Carol’s off men these days — doesn’t that psych you out?
[UK]S. Berkoff West in Decadence and Other Plays (1985) 121: I’ll hypnotize the beast / and psych him out.
[US]N. McCall Makes Me Wanna Holler (1995) 196: My homeboys had psyched Tooty out by treating him like a woman.
[Aus](con. 1964-65) B. Thorpe Sex and Thugs and Rock ’n’ Roll 33: The fucker was trying to psych me out by planting the idea of vomiting in my head.
[UK]C. Newland Scholar 109: Cory looked casually back, refusing to be psyched out.
[UK]N. Barlay Crumple Zone 4: Whether they’re winding me up or trying to psyche me out I can’t say.
[US]‘Dutch’ ? (Pronounced Que) [ebook] Gutta wasn’t his usually amped self [...] the young dude was totally psyched out.

2. (US teen) to have one’s emotions under control.

[US]Times (Munster, IN) 19 Jan. 56/1: Slang keeps changing to keep up [...] ‘Psyched out— I’m psyched out — I’m okay mentally.

3. to work out.

[US]Long Beach Press-Telegram 14 Dec. 8: Psyche it out means to think a problem through.
[US]Baker et al. CUSS 177: Psych out Guess the material to be covered in an exam.

4. to lose emotional control, to break down.

M. Braun Love Me Do 112: In addition to the ‘psycheing out’ [i.e. by fans] Dr Brothers also provided some interesting [...] information.
[US]Baker et al. CUSS 177: Psyched out [...] Tense at the last minute.
[Can]J. Mandelkau Buttons 155: I psyched out! I was punching and kicking him.

5. in weak use, to astonish, to amaze.

[US]G. Underwood ‘Razorback Sl.’ in AS L:1/2 64: I’ll tell you what really psyched me out.
psych (up) (v.) [SE psychologize]

1. to feel tense or nervous.

[US]Current Sl. I:2 5/1: Psych, v. [...] To be tense about something [...] He is psyched up about the final.

2. to put oneself or another person into a confident, aggressive etc. frame of mind as preparation for dealing with a situation; to energize or persuade; thus psyched (up) adj. (2)

[US]F. Kohner Gidget Goes Hawaiian 30: Brother, did he psych me up.
[US]New Yorker 10 Aug. 78: He’s never tried to psych us, or insult us with a pep talk.
[US]R. Price Ladies’ Man (1985) 118: It was only two-thirty but I couldn’t psych myself for any more selling that day. [Ibid.] 222: I tried to psych myself up for Monday.
[UK]J. Sullivan ‘Christmas Crackers’ Only Fools and Horses [TV script] He’ll be with you in a minute girls, he’s just psyching himself up.
[Aus]R.G. Barrett You Wouldn’t Be Dead for Quids (1989) 12: This enigmatic coach [...] who was a genius at psyching players up.
[US]C. Hiaasen Tourist Season (1987) 344: Maybe the kid was psyching himself for the game.
[US]R. Campbell Wizard of La-La Land (1999) 166: ‘Feelin’ good,’ he murmered, trying to psych himself, but [...] he didn’t sound very convincing.
[Scot]I. Welsh Filth 247: I’m psyching myself up, getting into the role.
[UK]N. ‘Razor’ Smith Raiders 308: Johnny had psyched himself up [...] on the journey over.
[UK]G. Knight Hood Rat 140: They gathered them rogether when they were leaving, to psych them up.
[US]G. Hayward Corruption Officer [ebk] cap. 32: I [...] look off into space and try to psyche myself up to do this.
[US]D. Swierczynski California Bear 32: He’d purchased one of the very first Sony Walkman models [...] and used it to psych himself up for his ‘nighttime patrols’.

3. of machinery, e.g. an automobile, to improve the performance.

in R. Palmer Deep Blues 187: ‘The car was a six [...] but it had been all psyched up. It was super fast.