having sex while the female is on her menstrual cycle and then sticking your penis between her breasts.
by Al Bogus May 28, 2009

A girl's period
by Backwoodsnorthernboy March 12, 2012

Ugh ... my girlfriend just got her period, so now I gotta introduce John Thomas to Aunt Flo tonight!
by MarioCBreeze August 06, 2024

Having sex with a woman during her period.
Ugh ... My girlfriend just got her period, so it looks like I gotta introduce John Thomas to Aunt Flo tonight!
by MarioCBreeze August 06, 2024
