What is Idiot Mitten?
1.
(noun) Someone who is extremely stupid and forgetful.
Refers to ancient practice of attatching two mittens to a long string and then placing each through opposite sleeves on your coat so that when you remove the mittens you do not lose them.
Wife: "Happy anniversary honey!"
Husband: "Oh, that's right, today is our anniversary"
Wife: "Idiot mitten!"
See