Crossword Genius

Might one be upset in red with Villa up? (12)

Ross

I believe the answer is:

liverpudlian

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

'might one' is the definition.
Although both the answer and definition are adjectives, I can't understand how one could define the other.

'upset in red with villa up?' is the wordplay.
'upset' indicates an anagram.
'with' is a charade indicator (letters next to each other).
'in'+'red'+'villa'+'up'='inredvillaup'
'inredvillaup' anagrammed gives 'LIVERPUDLIAN'.

'be' is the link.

Can you help me to learn more?

(Other definitions for liverpudlian that I've seen before include "Scouser" , "Northerner" , "Black, say" , "Harrison, say" , "Scouse" .)

I've seen this clue in The Independent.
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