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a longer version of the acronym pms. short for premenstrual syndrome. pemes is used to avoid awkward conversations when in crowded situations or near guys, teachers or parents.

pronounced PEH-MES.
"i'm so angry."
"girl are you pemesing?"
"prolly but it's so not my month."
"i know pemes sucks so much."
*some guy comes in*
"what you girls talking about?"
"idk that."
by ApparentlyNot May 05, 2009
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