Vagina whose labia is brown and loose. Resembling roast beef samich meat.
(Jim) "Hey Ned, what did u eat for dinner last night?"
(Ned) "O, Jessica came over and I ate her roastbeef pussy"
A woman whose ass is so huge that when she walks her assclap sounds like thunder.
Hey Jim, here comes ole thunderass, man you can hear and see her coming from a mile away!