
1) Hoax 2) Prank 3) Trick 4) Useful humor
Found on
https://www.crosswordclues.com/clue/practical-joke

A practical joke (also known as a prank, gag, jape or shenanigan) is a mischievous trick or joke played on someone, typically causing the victim to experience embarrassment, perplexity, confusion, or discomfort. Practical jokes differ from confidence tricks or hoaxes in that the victim finds out, or is let in on the joke, rather than being fooled ...
Found on
http://en.wikipedia.org/wiki/Practical_joke

(from the article `humour`) The coarsest type of humour is the practical joke: pulling away the chair from under the dignitary`s lowered bottom. The victim is perceived first as ...
Found on
http://www.britannica.com/eb/a-z/p/104

[
n] - a prank or trick played on a person especially one intended to make the victim appear foolish
Found on
http://www.webdictionary.co.uk/definition.php?query=practical%20joke
noun a prank or trick played on a person (especially one intended to make the victim appear foolish)
Found on
https://www.encyclo.co.uk/local/20974

a playful trick, often involving some physical agent or means, in which the victim is placed in an embarrassing or disadvantageous position.
Found on
https://www.infoplease.com/dictionary/practical-joke
No exact match found.