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1.
"that time of the month" for the female types, if ya know what im sayin
joann couldn't wear her white pants today, because of the moontimes.
by Bill McGassy August 11, 2008
 
2.
When a girl is menstruating

period rag aunt flow
Boy: Hey girl let's have sex.

Girl: Sorry I can't I'm in Moon Time.
by Teeracy May 08, 2005