had it in the ear - to be the biggest dummy, like you got the worst deal and nob

to be the biggest dummy, like you got the worst deal and nobody even tried to help you

I bought a ticket to a concert and it turned out to be a free event. Had it in the ear.

I took the blame for my friend’s mistake. Had it in the ear.

I traded my video game for a broken toy. Had it in the ear.