Little excitement for teacher around Tuesday (4)

I believe the answer is:

stir

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'little excitement' is the definition.
'stir' can be an answer for 'excitement' (synonyms). I am not certain of the 'little' bit.

'teacher around tuesday' is the wordplay.
'teacher' becomes 'sir' (a male teacher might be addressed as 'sir').
'around' is an insertion indicator.
'tuesday' becomes 't'.
'sir' going around 't' is 'STIR'.

'for' is the link.

Can you help me to learn more?

(Other definitions for stir that I've seen before include "College" , "Kerfuffle" , "move very slightly, or agitate" , "jail" , "Bustle, activity" .)

I've seen this clue in the Evening Standard.

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