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When a bit of pee dribbles down your leg, occurs mainly after you tuck in your cock after peeing. The feeling is similar to a period just without all the moaning.
Dude! what happened? you piss yourself?

Sorry man, had a Peeriod in the restroom.

Aw fuck, I had a Peeriod, everyone's gonna think I pissed myself!
by Brown Bear. September 06, 2011
Once a month thing in all that jazz.
Don't fuck with me as I have my peeriod, period.
by Hercolena Oliver May 04, 2008