shrimp shack

A low-quality vagina which smells like shrimp. Shrimp shacks are most commonly found in whore houses and homeless shelters.

Bro 1: Hey Dave, why's your dick smell weird?
Bro 2: I got some soiled twat at Hilary's last night. It was shrimp shack city.
Bro 1: You should get that checked out.