Noun : The entire story was a hilarious leg-pull.    From Dictionary.com. 

Afterwards we see the funny side of it and their mishap becomes a standing joke; both have to put up with many a leg-pull.    From Wordnik.com.  [Stuka Pilot]

I've been told that senses are sometimes given to concepts at Oxford after the gates close to visitors; but that may be a leg-pull.    From Wordnik.com.  [Fodor, Derrida, and Analytical Ennui] Reference

They had set out to have a jolly good leg-pull and I will tell you what happened.    From Wordnik.com.  [A Glimpse Into A Submarine] Reference

An old leg-pull, to make new boys think that his name was really Chips; the joke was almost traditional.    From Wordnik.com.  [Goodbye, Mr Chips]

The Australian has a habit of pulling his mate's leg, and being on his guard against a leg-pull in return.    From Wordnik.com.  [Letters from France] Reference

An old joke — an old leg-pull, and he, of all people, having made so many old jokes in his time, ought not to complain.    From Wordnik.com.  [Goodbye, Mr Chips]

That Facebook program started as "a leg-pull intended to puzzle men" but morphed into a good cause, raising awareness for breast cancer.    From Wordnik.com.  [FOXNews.com] Reference

It was probably a "leg-pull," or somebody practising his English; but as there was a 1000 to 1 chance of its being sent by some sympathiser in our front, and of the projected.    From Wordnik.com.  [The Doings of the Fifteenth Infantry Brigade August 1914 to March 1915] Reference

The 86 of the restaurant code of the 1930s (which could have slipped into the papers as a leg-pull perpetrated on an unwary journalist) never seemed to be reflected in anything other than newspaper articles touting the code itself.    From Wordnik.com.  [New Urban Legends] Reference

His birthday fell on 1 April and in those homespun times April Fool's Day provided passing annual merriment of schoolboy spoof and larks and leg-pull, during which Foufou was bonnily yo-yoed about after breakfast in a blanket in the bootroom.    From Wordnik.com.  [Sport news, comment and results | guardian.co.uk] Reference

But she’s much too lovely, of course, to be a leg-pull.”.    From Wordnik.com.  [Final Curtain]

“Do you mean you think it’s real?” he asked cautiously, unsure whether he had a madwoman in the car beside him or if I was launched on some elaborate Holmesian leg-pull.    From Wordnik.com.  [A Letter of Mary]

“He’s not so dopey,” Alleyn said strongly, “that he can’t plan an extremely cunning leg-pull on his papa, his four brothers, Simon Begg, Dr. Otterly and Ralph Stayne.    From Wordnik.com.  [Death of a Fool]

Johnny's leg-pull made him one up.    From Wordnik.com.  [The Leicestershires beyond Baghdad] Reference

"Is this a leg-pull?".    From Wordnik.com.  [Anthony Lyveden] Reference

It's not just a leg-pull, is it? ".    From Wordnik.com.  [Wizard and Glass]