bang up v.2
1. to imprison.
|Und. and Prison Sl. 16: bang, v. [...] 2. To arrest.|
|Frying-Pan 87: They can bang me up anywhere, I don’t care, Dartmoor, Parkhurst, Durham.|
|Indep. Mag. 6 Aug. 32: They banged him up in a mental home near Milton Keynes.|
|Mystery Bay Blues 56: Mullets got banged up over a huge shipment and was still on remand in Long Bay.|
|Raiders 71: Neither of us has got a licence. They’d have banged us up straightaway.|
|Hood Rat 135: The cops had to bang up all the serious guys.|
2. (also bang out) to lock a prisoner in a cell.
|(con. 1940s) Borstal Boy 100: The screw banged out the door.|
|Bang To Rights 152: They had [...] taken my dabs and banged me up in a peter.|
|(con. 1950s–60s) in Little Legs 25: Don’t bang me up ’cos I gets claustrophobia.|
3. to be locked up in a cell.
|Frying-Pan 7: You can watch television [...] or whatever it is you do until quarter to nine when you bang-up then and go to bed.|
4. (Aus. prison) to alert a prison officer by banging on one’s cell door.
|Aus. Prison Sl. Gloss. [Internet] Bang up. To attract attention of officers by making a noise. Usually occurs when a prisoner is locked in his cell at night and may be ill.|