Crossword Genius

Disgusted by repeated fine after Lancashire possibly cheat (7,3)

Ross

I believe the answer is:

cheesed off

I'm a little stuck... Click here to teach me more about this clue!

'disgusted' is the definition.
Both the answer and definition are adjectives.
Maybe there's a link between them I don't understand?

'repeated fine after lancashire possibly cheat' is the wordplay.
'repeated' says to double the letters.
'fine' becomes 'f' (abbreviation e.g. condition of old coins, books).
'after' is a charade indicator (letters next to each other).
'lancashire possibly' becomes 'cheese' (Lancashire cheese is an example).
'cheat' becomes 'do'.
'f' duplicated is 'ff'.
'cheese'+'do'='cheesedo'
'ff' put after 'cheesedo' is 'CHEESED OFF'.

'by' is the link.

Can you help me to learn more?

(Other definitions for cheesed off that I've seen before include "Unhappy" , "Bored" , "Fed up, disgruntled" , "frustrated" , "Not at all happy" .)

I've seen this clue in The Times.
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