A friend you only meet up with at a certain place, or for a certain reason. Sometimes used as a code word for a FWB
Joshua: I'll be seeing my Sunday Friend tomorrow night after work.
Adrian: But tomorrow is a Wednesday?
Joshua: Yeah, that's the only night we both have off.
Adrian: Oh.
Adrian: But tomorrow is a Wednesday?
Joshua: Yeah, that's the only night we both have off.
Adrian: Oh.
by WilCoMex December 29, 2020