F**k da wife!
A phrase coined in One Flew Over the Cuckoo's Nest by a patient in the mental hospital. It is used as an exclamation which indicates something has gone wrong, similar to when a person exclaims profanities such as 'f**k!' or 's**t!'.
Person 1: Did you do the project?
Person 2: No... I forgot! F**k da wife!
Person 2: No... I forgot! F**k da wife!