Scouse saying to kiss/snog/French kiss/neck/meet/play tonsil tennis (however you say it) within a club setting. The action of the kiss should be hard and fast, sometimes being described as 'dead dead hard and dead dead fast'.
'Did you see Amy and Joe club necking last night'

'Yeah they were going for it dead dead hard and dead dead fast!'
by kenwong December 27, 2011
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The illness you get after a heavy session of kissing strangers in nightclubs. It may present swollen glands or sore throat.
Patient: 'Doctor my throat is sore and my neck is swollen, I think I have tonsillitis.'

Doctor: 'No you have a case of Club Kneck Neck. Have you considered attending the sexual health clinic for a check up?'
by Dr Drake May 12, 2017
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“Basically right, club necking is where you’re in a club and you see a fit bird and you say ‘ay, come ere’ (necking sounds)” -my brother Ben
Ollie: Sam whats club necking?
Sam: well my brother said it’s like this, (definition of club necking)
by Big_Wang123 January 1, 2020
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