1 definition by beat up boy

PMS

An excuse girls use to be angry at guys with no consequence whatsoever.

Day 1
Girl: -PUNCH-
Guy: wtf was that for?
Girl: PMS dumbass hahhahaa
Guy: ugh...

Day 10
Girl: -PUNCH AGAIN-
Guy: WTF you ALREADY HAD PMS THIS MONTH
Girl: That was PRE menstrual now it's POST menstrual roflrofl
Guy: OMFG TITS OF GTFO

by beat up boy May 8, 2009