Want to reduce a child to tears, upset your partner or get shot of your colleagues for a few hours this festive period? The handy instructional video above - courtesy of internet comedy star Luke Barats from Barats and Bereta - shows you how.

Can't be bothered to pull your own pranks and just want to admire other people's instead? Feast your eyes on our slideshow below. See? We've got everyone covered!

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(Via Tastefully Offensive)