No, not the kind that falls on your head.
He was the South Korean pop star on the international stage before Psy came along, a proud representative of the hallyu wave of South Korean soft power.
Rain has been discharged from the South Korean military after completing 21 months of mandatory service. A large crowd of media and female fans greeted the superstar, some holding signs that read "Rain's coming," and "We waited for you."
"Thank you all for coming to welcome me. I'll do my best. I love you all," he told his adoring fans, according to South Korean news agency Yonhap.
Rain, whose real name is Jung Ji-hoon, served as an "entertainment soldier" in a unit that works on TV and radio programming promoting South Korea's military.
So, maybe not exactly boot camp.
All South Korean men, excluding those with physical disabilities, are required to serve about two years in the armed forces. The country is still technically at war with the North, since the Korean War ended in a ceasefire instead of a peace treaty.
Now that he's returned to civilian life, can we expect a dance-off rematch with Colbert? Here's hoping...