1 definition by ZazaMcK

When you invite all of your friends to a smack party and they think it's a party where you all take smack. But when they turn up they realise it's a mass spanking of ass where everyone spanks each other's arse.
"here you comin out this weekend?"

"Afraid not, I have a smack party at the pub"
by ZazaMcK April 6, 2016
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