Lie about cocaine score (7)

I believe the answer is:

recline

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'lie' is the definition.
(I've seen this before)

'cocaine score' is the wordplay.
'cocaine' becomes 'rec' (I can't justify this - if you can you should believe this answer much more).
'score' becomes 'line' (lining is a kind of scoring).
'rec'+'line'='RECLINE'

'about' is the link.

Can you help me to learn more?

(Other definitions for recline that I've seen before include "Be recumbent" , "Lie back and take it easy" , "Lie back and relax" , "Adopt horizontal or leaning position" , "Lounge" .)

I've seen this clue in The Telegraph.

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