Vertical Smile
From Wikipedia, the free encyclopedia
Vertical smile refers to the imprint of a woman's labia through her underpants or clothing. A southern-American expression, used in good humor, it is also the title of a popular album by the band Blackfoot.
In addition, a legendary graffito on college campuses is often written as follows:
I'd walk a mile
For a vertical smile
In this usage, it seems that vertical smile refers directly to the female genitals, not to their appearance through clothing. See Graffiti in the Big Ten.
See also "cameltoe".
