Never mind the guy in the background that girl in the turquoise top has major melons. she is well yum
aahh so its called Photo Bombing is it! me and my mate have been doing it for YEARS, best one was this year in Prague getting into all the tourists shots...BRILLIANT fun for some reason!
if thats real and not photoshopped thats the funniest photo i've ever seen, just look how calm he is having a piss whilst chatting to his mates, Brilliant!
This one did the rounds a few years back...