Party time for girl, briefly (3)

I believe the answer is:

dot

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'girl briefly' is the definition.
I can't judge whether this defines the answer.

'party time' is the wordplay.
'party' becomes 'do' (do can informally mean a party).
'time' becomes 't' (abbreviation).
'do'+'t'='DOT'

'for' acts as a link.

Can you help me to learn more?

(Other definitions for dot that I've seen before include "Absolutely punctual, on it" , "One of the signals in Morse code" , "Marriage portion; spot" , "Spot, speck" , "Speck or period" .)

I've seen this clue in The Times.

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