From Unda Edit Meaning

1. When you are partaking in the sexual act of face sitting, and the partner giving the face sitting has a bad case of explosive diarrhoea ..

1. Once someone gives you a name and says this phrase after it, that's how you know what name to call them when you're bent over ..

1. Internet message acronym for "Make Up Your Fucking Mind". Used when confronting ambivalence or indecision in an IM or message ..