Definitions by OX umass

ox in the box

A young woman who has had sexual relations with 3 or more brothers of theta chi fraternity. Called so because the Greek letters Theta and Chi resemble the word "ox" in English, while "box" refers to the young lady's now-worn-out vagina. Hence, the "OX" is in the "box".

Is she an ox in the box now?

No, he didn't break the plane.

ox in the box by OX umass January 11, 2008