Related Clues:

• When repeated, start of a child's taunt
• Untruthful one
• Super duper?
• Tale twister
• Deceiver
• Polygraph flunker, probably
• Unreliable witness, e.g.
• One who is not straight
• Dishonest one
• Bad witness
• Half a Jim Carrey title
• Tale spinner
• Unreliable gossip
• Yarn producer?
• Fish story teller