when a person tells you obvious lies, and will cite very spurious sources to support their claims. Often brought by loose anecdotal evidence.
Don: "The sound from windmills causes cancer."
Bob: "Name one doctor who will corroborate that statement."
Don: "All the doctors will tell you the same thing. Everybody knows it."
Bob: "You're putting me through the Trump."
Don: "I heard of one librarian's mother whose hairdresser had a nephew who got cancer from a windmill. It's so true."