snaek's definitions
An emotion experienced by girls while they are menstruating. It is characterized by stronger-than-usual friendliness towards anyone and everyone around them. It is the opposite of PMS.
"That girl has never talked to me before, but today she really wanted to become friends."
"Oh, she probably has period friendliness."
"Oh, she probably has period friendliness."
by snaek November 2, 2009
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