I love a good prank and have pulled off a few good ones in my time. One of them I almost got into Big Big Trouble for when the brown, gooey stuff hit the mechanical cooling device but we won't talk about that...

Now, I'd be the first to admit that Japanese tourists are an easy target but this prank is just utterly childish, silly and very funny.

A practical joker has stirred up trouble by publishing a Japanese-to-English phrase book with incorrect definitions for every phrase!

...the phrase for 'I am very pleased to meet you' is given as 'My friend, your breath could knock over a water buffalo.'"

Of course, hackers have a long history of practical jokes although you'd have to be a true geek to find some of these funny