A phrase spoken when you smell any unpleasant odor (stump dump, lobster boat, dumpster at the shrimp plant, paper mill)within earshot of any female.

Used commonly on the coast of Maine as far back as the mid-1980s

When a girl has her legs open and you can smell her pussy.

Told to females when they openly flirt/come onto a guy in public without shame, or when showing extreme Public Displays of Affection in front of others.