OK for those who really don't know what pms stands for:

1.Pass My Shotgun

2.Psychotic Mood Shift

3.Perpetual Munching Spree

4.Puffy Mid-Section

5.People Make me Sick

6.ProvideMe withSweets

7.Pardon My Sobbing

8.Pimples May Surface

9.Pass My Sweatpants

10.Pouty Mood Syndrome

11.Plainly; Men Suck

12.Pack My Stuff

13.Pardon My Screaming

14. Psycho Hose Beast

15.Pardon my snippiness

16.Pleasantness Mighty Scarce

....and my favorite one..

17.Potential Murder Suspect