How to become a 'Willbomb' fan

Take your shoes off, don a bandana and join the 'Willbomb Barmy Army'.

Fans of British qualifier Marcus Willis share their songs - and moves - to explain how to get behind the world number 772 when he faces Roger Federer at Wimbledon on Wednesday.

He may have 17 Grand Slam titles, but according to these fans 'Federer is terrified'...

READ MORE: Worlds collide as Willis meets Federer

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