Top Definition
Refers to the entity formed by three best friends; the three persons involved form an interpersonal triangle of "BFF's" or "Best Friend Forever"'s, thereby forming a BFF-triangle or BFFriangle.
In accordance with his fervent belief in the architectural stability of triangles, Kurt excitedly telephoned his BFFs Ash and Mark to officially proclaim themselves a BFFriangle.
by Hiptasticus Maximus August 22, 2009
5 Words related to bffriangle

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