" Your name is mud "
Meaning:
You are discredited or in disgrace. The very mention of your name produces scorn.
Example:
Since the hundreds of reports of his abuse of children, Jimmy Saville's name is mud in the UK.
Where did it originate?:
USA. The allusion is to Dr. Samuel Mudd, the man who was accused of the shooting of President Abraham Lincoln
Where is it used?:
Hear the idiom spoken: