abydocomist

noun1

1. •
   (no longer used) A liar or sycophant who boasts of his falsehood.

   • The character Sir John Falstaff from Shakespeare's plays (Henry IV Part 1, Henry IV Part 2, Henry V, and The Merry Wives of Windsor) is a famous example of an abydocomist. Falstaff: "I may lie, but I am no counterfeit." (paraphrased)