1) An act in which a heterosexual couple performs anal sex. Afterward, the male wipes his feces-covered penis over the eyes of his partner. Hence, the term "brown eyed."
2) A girl who has recently experienced the "Brown eyed girl."
-I gave her the brown eyed girl, because I couldn't find any toilet paper.
-Some people call the brown eyed girl an art medium, but experts argue that it is merely a method of genital hygiene.