Top definition
All the phases of the Moon
The third day of the lunar cycle
Metonic cycle
by Sara132048 August 24, 2016
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2
A euphemistic way of referring to a woman's menstrual period.
Girl: I'm not feeling so chipper today. I'm on my, um...

Boy: Your lunar cycle?
Girl: Yes!
by Hymen Roth September 20, 2016
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