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1.
Metaphor for staying in on your own and beating one off.

"lads" refers to your balls.
Laurence: Mate are you coming out tonight to the pub?

Pat: Naa bud, I'm having a "night in with the lads".
by samstorm88 April 26, 2007

Words related to Night in with the lads

balls beating one off bud masturbate penis wank