Small loft and lounge (4)

I believe the answer is:

slob

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'lounge' is the definition.
Although both the answer and definition are singular nouns, I can't see how one could define the other.

'small loft' is the wordplay.
'small' becomes 's' (abbreviation - e.g. clothes size).
'loft' becomes 'lob' (I've seen this before).
's'+'lob'='SLOB'

'and' acts as a link.

Can you help me to learn more?

(Other definitions for slob that I've seen before include "'Slovenly, messy person (4)'" , "Sort of ice" , "Slovenly and unkempt type" , "Untidy and lazy person" , "Slovenly layabout" .)

I've seen this clue in The Times.

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