Crossword Genius

Some lads kiss in sloppy style (3)

Ross

I believe the answer is:

lax

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'some lads kiss in sloppy style' is the definition.
I can't judge whether this defines the answer.

'some lads kiss in' is the wordplay.
'some' becomes 'a'.
'lads' becomes 'l' (this could be a standard abbreviation I've not previously seen).
'kiss' becomes 'x' (X can represent a kiss).
'in' is an insertion indicator.
'l'+'x'='lx'
'a' placed inside 'lx' is 'LAX'.

Can you help me to learn more?

(Other definitions for lax that I've seen before include "Casual" , "Not strict enough" , "Slipshod" , "Not sufficiently strict" , "Slack, not severe" .)

I've seen this clue in the Evening Standard.
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