- HOAX
- Mare's-nest
- The Cardiff Giant, for one
- Hoodwink
- Like an urban legend
- UFO's, perhaps
- Manti Te'o's girlfriend, for one
- Many a Craigslist offer
- The Cardiff Giant, e.g.
- Facebook privacy announcement, e.g.
- Kurt Vonnegut's faux commencement address e-mail, e.g.
- Like many a catfish relationship
- Milli Vanilli, famously
- Helicopter Shark, e.g.
- Art forgery, maybe
- Prankster's project
- Many a P.T. Barnum attraction
- Many a P.T. Barnum exhibit
- Flimflam
- It's made to get people
- Fraud
- Practical joke
- Put-on
- The Piltdown Man, for one
- Major prank
- Bamboozle
- Dupery
- Forged artifact, e.g.
- Piltdown Man, for one
- Subject of a forwarded e-mail, often
- The Piltdown Man, notably
- Balloon Boy, for one
- Con
- Elaborate fraud
- It's perpetrated by a prankster
- Sham or scam
- Deceitful device
- Cottingley Fairies, for one
- Many an urban legend
- Global warming, some say
- Dupe's downfall
- Scam or sham
- Stratagem
- Swindle
- April Fool's Day prank
- Rip-off
- Deception
- Deceitful act
- The Piltdown man, e.g.
- Hornswoggle
- The 1938 broadcast of "The War of the Worlds" was one
- Elaborate ruse
- Fake
- Piltdown man, e.g.
- Sting, for instance
- 1938 "The War of the Worlds" broadcast, for one
- Piltdown man, say
- The War of the Worlds broadcast, notably
- Barnum's Fiji mermaid, for one
- The Cardiff Giant, notably
- Deceptive act
- Public prank
- Spoof
- Fraudulent claim
- False claim
- It's not for real
- It's a trick
- Snow job
- Debunker's target
- Elaborate fake
- Scam
- Elaborate deception
- Deceptive trick
- Sham
- Bamboozlement
- Fast one
- The Hitler Diaries, e.g.
- Debunked thing
- Imposture
- The Cardiff Giant was one.
- Wily trick.
- Trick.
- Mislead.
- Dupe
- Hitler's diaries, e.g.
- Canard
- Practical joke, e.g.
- Ruse
- Martian invasion report, e.g.
- April 1st event
- Bigfoot photo, e.g.
- Elaborate April fool
- Piltdown man, notably
- April 1 news story, maybe
- Put one over on
- Snopes.com subject
- What an unbelievable YouTube video might be
- Crop circles, e.g.
- Relative of fake news
- Abominable Snowman (probably)
- Loch Ness monster, apparently
- What a cryptid might be
- The Protocols of the Elders of Zion, e.g.
- April 1 trick
- Robin Davey band The ___
- Video of Bigfoot, say
- England's crop circles, notably
- Campus prank, often
- Plan to fool
- Crop circles, for one . . . _probably_
- Fake news story, say
- Like a famous Welles radio broadcast
- Welles' Martian invasion broadcast, e.g.
- Fraudulent event
- Elaborate lie
- Fraudulence
- Elaborate falsehood
- Elaborate prank
- It's phony-baloney
- Attempted deception
- Trickster's deception
- April 1 event
- Something intended to deceive
- UFO photo, perhaps
- Barnum's "Feejee Mermaid," e.g.
- 1869's Cardiff Giant, e.g.
- Candidate for debunking
- Mencken's history of the bathtub, e.g.
- Major deception
- Many an April 1 "news" item
- Target for a debunker