Crossword Genius

Looking the worse for wear after snorting drug, changed colour again? (3-4)

Ross

I believe the answer is:

red-eyed

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

'looking the worse for wear after snorting drug changed colour again?' is the definition.
I can't tell whether this defines the answer.

'looking the worse for wear after snorting drug changed colour' is the wordplay.
'looking the worse for wear' becomes 're' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'after' says to put letters next to each other.
'snorting' indicates putting letters inside (snort can mean to ingest through the nose).
'drug' becomes 'e' (E is another name for ecstasy).
'changed colour' becomes 'dyed' (I've seen this before).
'e' placed inside 'dyed' is 'deyed'.
're'+'deyed'='RED-EYED'

Can you help me to learn more?

I've seen this clue in The Independent.
Want a hint initially instead of a full solution? Install my app