according to an article on orf.at, a 66 year old German was arrested by authorities upon charges of public misbehaviour. He dropped his pants at security check.
Version of the airport authorities: the guy wanted to make fun of the security staff
Version of the man: he already put off belt and shoes and the security guard kept telling him "put off". So he put his trousers down.
The man was denied to leave the country. Further hearings are expected.
Fly me to the moon....