Crossword Genius

Foremost of Inuit gaffs with small rooms? (6)

Ross

I believe the answer is:

igloos

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

'foremost of inuit gaffs with small rooms?' is the definition.
I can't judge whether this definition defines the answer.

'foremost of inuit gaffs with small rooms?' is the wordplay.
'foremost of' says to take the initial letters.
'with' is a charade indicator (letters next to each other).
'small rooms?' becomes 'loos' (loo is a kind of room. I am not sure about the 'small' bit.).
The first letters of 'inuit gaffs' is 'ig'.
'ig'+'loos'='IGLOOS'

Can you help me to learn more?

(Other definitions for igloos that I've seen before include "Frozen homes for Eskimos (6)" , "Houses of snow and ice" , "Arctic homes" , "Ice houses for Eskimos" , "homes up north" .)

I've seen this clue in The Everyman puzzle in The Observer.
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