Possible Clues:

• Teens who say 'I'm hanging out with a friend you don't know,' probably
• Fabricators of facts
• Witnesses to avoid
• Those who need sound memories, per Montaigne
• They'll sell you a porky scratching — it's first on bar back
• Ones spinning webs?
• They're beyond belief
• Untrue experimental rock band?
• Truth tellers' opposite
• Servers of whoppers