Brush off lie about something that could save you (4,2,4)

I believe the answer is:

kiss of life

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'brush off lie about something that could save you' is the definition.
The definition suggests a singular noun which matches the answer.

'brush off lie about' is the wordplay.
'brush' becomes 'kiss' (synonyms).
'about' indicates an anagram.
'off'+'lie'='offlie'
'offlie' with letters rearranged gives 'oflife'.
'kiss'+'oflife'='KISS OF LIFE'

Can you help me to learn more?

(Other definitions for kiss of life that I've seen before include "Mouth-to-mouth resuscitation" , "Act of resuscitation" , "First aid treatment" , "Artificial respiration" , "first-aid" .)

I've seen this clue in The Irish Times.

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