When a girl takes a dump after having a load blown in her.
"Damn girl, Chris kept creamin' me last night. I have been growing cow-tails all morning.
by Dunkin' Sachell November 10, 2009
when you're masterbating and all of a sudden you have explosive diarrhea. Hence the mixture of the brown and white colors of the Cowtail Candy.
I was spanking it to a picture of your sister last night and totally got CowTail.
by Joe Tulsey March 13, 2010
A mindless penis. asin a butt.
my cow tail was placid yesterday
by anonamous hahah i cant spell that January 22, 2008