A rare condition that your partner expects you to have. When you become married/in a serious relationship, they expect you to become blind toward everyone but them. In other words, they would rather your eyes linger on no one else's boobs but theirs.
Tom: Whoa! Look at her! I would tear that ass UP!
Sally: Tom! You're supposed to have matrimonial blindness!
Sally: Tom! You're supposed to have matrimonial blindness!
by Ana Kruua June 11, 2008
Get the matrimonial blindnessmug.