Green’s Dictionary of Slang

stir n.1

also stur
[abbr. Rom. sturiben, a prison, staripen, to imprison; ult. štar, to imprison]

1. [mid-19C+] prison.

2. [2010s] (US prison) time served in prison .

In derivatives

stirry (adj.)

stressed from enduring a repetitive situation, typically prison.

In compounds

stir belly (n.)

[1940s+] (US prison) indigestion caused by tension or fear.

stir-bug (n.) (also stir-nut) [bug n.4 (3d); nut n.2 (1)]

[1920s+] (US prison) one who has gone mad due to the pressures of incarceration.

stirbum (n.)

[1930s] (US Und.) a jailbird.

stir cramps (n.)

[1970s] (US prison) psychological/physical problems that come with a jail sentence.

stir-crazy (adj.) (also stir-batty, stir-happy, stir-looney) [SE crazy/happy/batty adj.1 /loony adj. (1)]

[1930s+] (orig. US) used of a prisoner who has succumbed to prison-induced insanity; thus stir-craziness n., psychosis induced by imprisonment; also ext. to non-prison use.

stir croaker (n.) [croaker n.5 (1)]

[1950s] (US prison) a second-rate, barely qualified doctor, assigned to prison work.

stir fries (n.)

[2000s] (S.Afr. gay) underage boys.

stir hustler (n.) [hustler n. (4)]

[1940s+] (US prison) one who has mastered the ‘art’ of incarceration.

stir lawyer (n.)

[1950s] (US prison) a fellow prisoner who offers advice based on his own purported legal expertise.

stir-nuts/-psycho/-simple/-wacky (adj.)

see stir-bugs

stirwise (adj.) [-wise sfx]

[1930s–50s] (US Und.) well-adjusted to prison life, capable of sustaining one’s existence in prison.

In phrases

big stir (n.)

[1910s] (US Und.) a Federal prison.

crush the stir (v.) (also crush the stur) [crush v.1 (1)]

[late 19C] (UK Und.) to break out of prison.