bluemoonmens 

Having second mensuration in the same calender month

She had bluemoonmens last month.
Bluemoonmens is as few as the blue moons (i.e., two full moons in the same month)

bluemoonmens by chodukartik January 7, 2010

bluemoonmens 

Mensuration cycles twice in a single calender month

She had bluemoonmens last month.
Bluemoonmens is as few as a blue moon.

bluemoonmens by chodankartick January 7, 2010