full of shit

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full of shit

rude slang Unreliable or ridiculous; saying unfounded, incorrect, or nonsensical things. You can't listen to Sean, he's full of shit! He doesn't know any more about robotics than we do. All these new touchy-feely parenting books are full of shit, if you ask me.
See also: full, of, shit
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

full of shit

and full of it
mod. full of lies; stupid. (Usually objectionable.) You’re full of shit, you liar! You are so full of it!
See also: full, of, shit
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.