Metabros
When you have a platonic "bro" like relationship with your metamour.
Metabro 1: I fucked your girlfriend last night.
Metabro 2: Well I fucked YOUR girlfriend last night.
Metabros in unison: We have the same girlfriend!
*High fives ensues*
Metabro 2: Well I fucked YOUR girlfriend last night.
Metabros in unison: We have the same girlfriend!
*High fives ensues*