Wake up in prison (4)

I believe the answer is:

stir

I believe this clue is a double definition.

'wake up' is the first definition.
(thesaurus)

'prison' is the second definition.
(informal term for prison)

'in' is the link.

(Other definitions for stir that I've seen before include "Wake up - prison" , "Produce disorder < , wake up" , "College" , "Kerfuffle" , "jug" .)

I've seen this clue in The Sun, The Times and The Guardian.

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