TNRC Share definition Flag TNRC is an acronym for "Technically Not Related Couple". A TNRC is a couple who are not married yet they live together. Guy #1: So you're a TNRC?Guy #2: Yeah! I am! TNRC by gizmo19961 July 26, 2009 0 0 Get merch Get the TNRC mug. Buy Now — $32.95 See more merch
