Get the period blues mug.
"These are my sunflowers, this is my bunny and those pictures of me slitting my wrists... those are from my blue period"
by luke skyballer October 5, 2009
similar to a blue moon (two full moons in the same calendar month), two menstruation periods in the same calendar month.
by aquadump October 5, 2009
Jeff: Dude, I think she's on her period.
John: Wasn't she on it earlier this month?
Jeff: Uh huh, looks like a blue period.
John: Wasn't she on it earlier this month?
Jeff: Uh huh, looks like a blue period.
by Psychx October 22, 2012