Hoax (3-2)
'hoax' is the definition.
(I know that hoax can be written as put-on)
This is the entire clue.
(Other definitions for prank that I've seen before include "Mischievous trick" , "Practical joke or trick" , "Lark" , "April fool" , "(Amusing) trick" .)
'hoax' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for spoof that I've seen before include "Cod" , "Satirical imitation" , "Take-off" , "Parody - hoaxing game" , "Parody - prank" .)
'hoax' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for trick that I've seen before include "Sleight of hand" , "Fool" , "Deceive, cheat" , "Magician's ploy" , "Subterfuge" .)
'hoax' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for scam that I've seen before include "A modern kind of swindle" , "Fraudulent business scheme" , "Fraudulent scheme, swindle" , "Swindle, fraud (colloq.)" , "fiddle" .)
'hoax' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for sham that I've seen before include "Counterfeit or insincere" , "Phoney, bogus" , "charade" , "Cheap falseness" , "imitation" .)
'hoax' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for ruse that I've seen before include "Artful ploy" , "Deceptive tactic" , "trick played" , "Deceptive device" , "Clever stratagem or plan" .)
'hoax' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Another definition for flam that I've seen is " Trick".)