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Alternative term for menage a trois, for those of us who are less talented in the correct pronunciations of foreign words. Derived from the words threesome and couple.
'Did you make a decision on whether you were going to carry on seeing the girl with the big tits or the one with the great ass?'

'No, I couldn't decide but I did manage to persuade them both to engage in a thrupple with me.'
by One StrangleWank please barman December 16, 2011
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