look up any word, like cunt:
 
1.
Menstruation, checking into the 'red roof inn'
Aunt Flow is in town this week.
by Bubba July 03, 2003
412 129
 
2.
Female's period.
Oh no, Aunt flow is in town.
by G Dog October 11, 2005
258 93
 
3.
To be on your period, menstrating, ragging.
I don't feel like going to the dance tonight because Aunt Flow is visiting.
by ~AndyR~ October 08, 2006
205 75
 
4.
the lady from south park that comes every month to each girl..(your period dumnass!!)
yo girl i got my aunt flow this week so i can be a bitch
by sadie (vamp) December 28, 2008
63 122