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1.
A three-way couple in a long term relationship
Mike, Rick and Steve have been together for six years. They're a trouple.
by chris January 16, 2004
49 18
 
2.
A couple who has a friend that is always with them becomes a trouple. The third person has to be friends enough or have been hanging out with the couple long enough to not feel like a third wheel, thus becoming a trouple.
It was decided that Gary was part of a trouple when he went with Frank and Tracy to Las Vegas.
by Tracy076 May 04, 2008
24 8
 
3.
It is a combination of "couple" and "triple" where the three individuals are in an equally inclusive relationship.
Tim, Pat and Lawrence all live together and share a california king while they enjoy being a "trouple."
by April from vancouverl January 02, 2011
15 3