A functional joke is a devilish trap played on somebody, for the most part bringing on the casualty to experience shame, perplexity, disarray or discomfort.A individual who performs a down to earth joke is known as a "useful joker". Different expressions for useful jokes incorporate trick, stifler, jape, or shenanigan.

Viable jokes contrast from certainty traps or lies in that the casualty discovers, or is let in on the joke, as opposed to being talked into giving over cash or different assets. Down to earth jokes are by and large cheerful and without enduring effect; their motivation is to make the casualty feel humbled or absurd, yet not defrauded or embarrassed. Nonetheless, commonsense jokes performed with savagery can constitute tormenting, whose