bullshit artist

bullshit artist idiom
Also, bull artist. A person who habitually exaggerates, flatters, or talks nonsense. For example, Don't believe a word of it—he's a bullshit artist. Both versions are considered vulgar slang. The first dates from the 1940s, the second from the World War I period.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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