Been and gone and done it negative spoken language
To have done something really stupid, grave, and irreparable.
James shot a policeman! He's been and gone and done it.
I can't believe that Sam committed tax fraud. He's been and gone and done it.
You hung out with another girl because you were mad at her. Now, you've been and gone and done it.
You're selling drugs? You've been and gone and done it.
Very stupid, or silly
A very offensive term used to describe an upper-class British man who is stupid or inexperienced
Stupid or crazy
(n): a fool person,
(adj): stupid, foolish, silly