your, his, etc. name is mud

(one's) name is mud

Said of one who is regarded unfavorably, often because their reputation has been tarnished. Despite predating Abraham Lincoln's assassination, the phrase is often said to refer to Dr. Samuel Mudd, who was jailed for treating John Wilkes Booth after Booth shot Lincoln. Now that staff knows that I'm the one who proposed the layoffs, my name is mud. His name is mud now that he's been found guilty of embezzling money from the company.
See also: mud, name
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

your, his, etc. name is ˈmud

(informal, usually humorous) used to say that somebody is not liked or popular because of something they have done: Your name will be mud at home if you don’t write to your family soon.My name is mud at the moment. It’s all because I forgot to pay the phone bill.
See also: mud, name
Farlex Partner Idioms Dictionary © Farlex 2017
See also: