psycho, v. — Green’s Dictionary of Slang

psycho v.

[SE psychoanalyse]

1. (Aus.) to work out a person’s state of mind.

1946		J. Cary Moonlight (1995) 169: ‘It’s a complex,’ said Kathy. ‘We ought to get her psychoed.’.
1950		‘No. 35’ Argot in G. Simes DAUS (1993).

2. to suspend or dismiss a person from work for psychological reasons.

1990

M. McAlary Crack War (1991) 58: Richie was suspended right then and there [...] Psychoed him right out of the job.

psycho (off) (v.)

(UK prison) to be sent to a psychiatric prison.

1998

J. Hoskison Inside 44: I wanted to get psychoed off.

psycho out (v.)

to subject to psychiatric tests.

1965

W. Eastlake Castle Keep (1966) 145: You haven’t been psychoed out.