Bad Hat 

Adj. something that is considered rude or a blatant display of bad manners.

Speaker1: That is so bad hat.

Speaker2: Who says bad hat?

Speaker1: I do!

Bad Hat by Mediocre Man February 9, 2010

What a shocking bad hat! 

Victorian slang. Often used by street urchins before knocking your hat into the gutter.

"What a shocking bad hat!" shouted the boy, knocking the young ladies' hat into the gutter. "Velocipede squad, after him!" She shouted.

What a shocking bad hat! by Dupliciglot June 19, 2015