Riding the cotton pony

when a woman is on her period.

"Why is she being such a bitch today?"
"I'm not sure, maybe she's riding the cotton pony."

by Spaceman564 January 19, 2012

Colonel Cotton Pony

The description of a woman and her negative mood when she is in the midst of her menstrual cycle (i.e. riding the "cotton" tampon).

Boy, Sally is really a Colonel Cotton Pony today!

by swampchappy February 1, 2010

Elmo Riding the Cotton Pony

Menstrual cycle, period, time of month

a phase of the menstrual cycle in which the uterine lining is shed

Woman: No fun tonight

Man: Why?

Woman: Because Elmo Riding the Cotton Pony

Man: :(, I guess I just use this sock instead

by KMT83 December 24, 2011