Credit Lottie, my friend from out west, with this one...

THE MANY MEANINGS OF P-M-S

1. Pass My Shotgun

2. Psychotic Mood Shift

3. Perpetual Munching Spree

4. Puffy Mid Section

5. People Make me Sick

6. Provide Me with Sweets

7. Pardon My Sobbing

8. Pimples May Surface

9. Pass My Sweatpants

10. Pissy Mood Syndrome

11. Plainly; Men Suck

12. Pack My Stuff

and my favorite one...

13. Potential Murder Suspect