1 definition by Miss Macon
Verb. When a very straight girl (not a fence-sitter) succumbs to the charms of a lesbian who actively seeks to 'turn' straight girls, and enters a long term relationship with her. Term originated by a professor at Randolph-Macon Woman's College for such a relationship, based on the nickname of the straight girl involved.
Person 1: So, what's up with Katie and Megan?
Person 2: They're dating.
Person 1: Whoa, I didn't realize Megan swung that way!
Person 2: She doesn't really, she's totally Mitching out.
Person 2: They're dating.
Person 1: Whoa, I didn't realize Megan swung that way!
Person 2: She doesn't really, she's totally Mitching out.
by Miss Macon February 13, 2006