Mars Bar party

plural Mars Bar parties · alternative Mars bar party

1. slangA supposed party or orgy where Mars chocolate bars are eaten from the vagina or anus.

   ‘It's like a Mars bar party,’ she told them, over her shoulder, grinning like a very sexy Cheshire kitten. ‘Only different.’ Mr Dictator and his Minister, drinking at the bar with Doug Hutton, the Few's security chief, simultaneously choked on their beer.

   2021 [2002], Gwyneth Jones, Castles Made Of Sand, Hachette, →ISBN

plural Mars bar parties

1. Alternative letter-case form of Mars Bar party.