Plan BMSing

When a female takes Plan B and goes through the Emotional, Behavioral, and Hormonal changes that a woman goes through during PMS
Man 1: Hey man, my girl took plan b, and she’s being like a total bitch right now.

Man 2: Bro, cut her some slack she’s probably just Plan BMSing!
by JEChillinLS March 02, 2023
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