A guy and a gal kiss after he performs oral sex on her during her period.
After they kiss, the gal says, " Go brush your teeth, your have menstrual mouth"
Usually initiated by the guy, an act and symbol of relief that one's lady friend is menstruating and thus, not pregnant. For example, if your girlfriend is on an oral contraceptive and you decide to pull the goalie for the season, one may start to worry that the pill may not be 100% effective. In this instance, one is excited when that time of the month comes and upon hearing of Aunt Flow's visit, a menstrual high-five is warranted.
Guy: heybabe, this party blows. Wanna sneak into the laundry room and fuck on their dryer?
When a man who is normally quite kind and level headed, goes completely moody and rude for a couple of days. They will have all the moodiness and irritability of a girl on her period, hence MANstrual cycle.
n. The recurring cycle of changes in the behavioral patterns of certain individuals that is repeated roughly once every 28 days; marked by a strange attraction to wear European Renaissance style clothing, play the lute or lyre, and the desire to serenade rich people.
PMS, or Preminstrel Syndrome relates to the physical and psychological symptoms, including reciting poetry, talking in Shakespearean language, strong attraction to flamboyant clothing and stringed instruments, and occasional outbursts of heralding, that occur from 2 to 7 days before the onset of minstrelization.
"Why is Dave standing on the balcony performing such a ridiculous musical number in that awful green tunic?"
"Oh, he's just on his minstrel cycle, nothing to worry about."