Top Definition
The former partner of three good friends whom all dated the ex at different points in time.
Robbie shouted at Kat, "don't talk to him, that is Tony, Ryan, and my tri-shared ex!!!"
#tri-shared #ex #tri-dumped #former #spouse #partner #boyfriend #girlfriend
by Tony Ray Lee October 11, 2007
8 Words related to Tri-shared Ex
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