Now, here's a man who was very lucky to escape without a kicking, if ever we saw one.

Shot by the unambitiously named Mediocre Films, the video above shows exactly what happened when a prankster started crashing people's phone conversations at a football match in San Francisco.

Oh well - we suppose it sort of serves as payback for all those times we've been irritated by people barking loudly into their mobiles ON THE TRAIN.

Want to see more pranks? Be our guest...

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(Via Pleated-Jeans.com)