Top definition
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
3
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.
by Tracy076 May 04, 2008
4
When one person is openly dating someone that's openly dating someone else but they're not all dating each other equally.
by CharityAprilL July 15, 2015