The sentence "wardrobe malfunction" might be this years phrase for impact on the English language. It was used when Janet show her nipple at the Super Bowl and stole all the attention from the expensive ad-spots that otherwise use to be the discussion afterwards (since the match usually are rather dull). Read more of the history of the word at The Word Spy
The latest wardrobe malfunction was when The Britney Boob was looking at the world in a concert for a group of radio producers in Miami. (reported in the Swedish tabloid Aftonbladet)