full of crap ‎(comparative more full of crap, superlative most full of crap)

  1. (idiomatic, vulgar, pejorative) in reference to someone who speaks or writes nonsense or untruths
    Don't listen to him - I think he's full of crap!
    • 1930, Chairman of the Federal Trade Commission, Congressional edition: Utility Corporations[1], U.S. General Printing Office, page 860:
      I think the old guy is full of crap and what he has done in the years wouldn't help any organization much.
    • 1939, John Steinbeck, In dubious battle[2], The Modern Library, New York, page 245:
      None of this sounds reasonable to me. So far it sounds like a sock full of crap.