roastie

Etymology
. The Internet slang sense likens a (promiscuous) woman's vulva to the filling of a roast beef sandwich.

Noun

 * 1)  A roast potato.
 * 2)  A roast beef sandwich.
 * 3)  A woman, especially a promiscuous one.
 * 1)  A roast beef sandwich.
 * 2)  A woman, especially a promiscuous one.
 * 1)  A woman, especially a promiscuous one.