Top Definition
the act of having ones period
Jackie periodnated all over her new white pants.

God why is Ashley being a bigger bitch than normal today?
idk mang, shes probably just periodnating

Jamie asked if she could borrow my new jeans, and i let her - as long as she didnt periodnate in them.
by Lindsay Ann Jessica April 17, 2007
8 Words related to periodnate

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