A fork of Rural Dictionary
Something girls say to each other to communicate that they are on their period and may scream or cry at each other randomly.
Can also be used with aunt b or aunt irma
Hollie : hey becky my aunt flow is here
Becky: oh no I'm here it's fine
Hollie:* starts crying for no reason *
That time of the month that only females have, Menstrual cycle
Sorry if I seem irritatable lately but Aunt Flow is in town and she brought the cramps with her.