So sorry I didn't see until now from a couple of weeks ago:

Croatia rose to the occasion in their crucial Euro 2008 defeat of England – after an apparent X-rated gaffe by an English opera singer at Wembley.

Tony Henry belted out a version of the Croat anthem before the 80,000 crowd, but made a blunder at the end.

He should have sung 'Mila kuda si planina' (which roughly means 'You know my dear how we love your mountains').

But he instead sang 'Mila kura si planina' which can be interpreted as 'My dear, my penis is a mountain'.