Crossword Genius

Girl given one sweet drink (5)

Ross

I believe the answer is:

lassi

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

'sweet drink' is the definition.
'lassi' can be an answer for 'drink' (I've seen this before). I am unsure of the 'sweet' bit.

'girl given one' is the wordplay.
'girl' becomes 'lass' (lass can informally mean a girl).
'given' says to put letters next to each other.
'one' becomes 'i' (Roman numeral).
'lass'+'i'='LASSI'

Can you help me to learn more?

(Other definitions for lassi that I've seen before include "chilled drink" , "drink in India" , "Indian dairy drink" , "Cold drink" , "that Indian necks?" .)

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