According to Pop Crush
, Wolfgang had a chance run in with One Direction in a British hotel lobby. Wolfgang tweeted about his encounter with the band and referred to them as D---heads.
According to Fans Share
, Wolfgang said that he was insulted by One Direction and then he said that he could not take an insult from somebody who does not even write their own songs.
According to GigWise
, Wolfgang then finished up his rant on Twitter by insulting the band's hair styles, saying that they must call themselves One Direction because their hair points in one direction.
As of now it is not known what exactly was said between One Direction and Van Halen.