"we're not getting back together- he's just my frex  "i got really grunk last night and my frex turned into my sexfrex
an ex who you're still friends with (friend + ex)  [you do not hookup, that's a sexfrex]
""we're not getting back together- he's just my frex  "i got really grunk last night and my frex turned into my sexfrex" What is the definition of "frex"?