Singles Awareness Day is also abbreviated "SAD" which can be found quite fitting to many people, ironic to the people in relationships, and quite clever to those who don't give a shit either way.
Girl: "Happy Singles Awareness Day!"
*slaps boy in the face and walks off*
Girl 1: Hi girls!
Girl 2/Single Girl: Hi!
Girl 1(to girl 2): Happy Valentine's Day!(Now directed toward Single Girl)Happy Singles Awareness Day!