look up any word, like dirty sanchez:
 
1.
a female vagina that comes to be quite stanky due to the presence of poo or a poo like substance in or around the vag.
I was fuckin my girlfriend and when i pulled out, my johnson smelled like shit. Fuckin stank poon.
by pwnstarsixty9 January 07, 2010
 
2.
The action of whiping one's ass from back to front, particularly females, making one's poon very stanky.
Wow, that's one mighty stank poon.
by She Bangs October 14, 2004