When a girl (or evenguy) is soo stessed out or pissed off its like they are on their period even though there not.
guy: u wana go out some time?
Girl: piss of u fuking creep..(walks away)
guy (to his mate): what the fucks her problem
guys freind:dam fool tht bitch was totally periolic
the symptoms of the period, in which they include: cramps, bloating, pimple breakouts, sore breasts, moodiness, migranes, sickness, constipation,diarrhea etc.