Crossword Genius

In haughty manner, is it an indication toilet needs cleaning? (7)

Ross

I believe the answer is:

aloofly

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

'in haughty manner' is the definition.

'it an indication toilet needs cleaning?' is the wordplay.
I cannot quite understand how this works, but
'an' could be 'a' and 'a' is found within the answer.
'toilet' could be 'loo' (loo is a kind of toilet) and 'loo' is found in the answer.
The remaining letters 'fly' is a valid word which might be clued in a way I don't understand.
This may be the basis of clue (or it may be nonsense).

'is' acts as a link.

Can you help me to learn more?

(Other definitions for aloofly that I've seen before include "How to disconnect, perhaps" , "Keeping apart from" , "Distantly" , "in a cold manner?" .)

I've seen this clue in The Telegraph.
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