Most people would take being likened to a sexually transmitted disease with some offense. But not Psy! The unlikely megastar took some heat from Green Day’s Billie Joe Armstrong regarding his latest single “Gentleman.”
"This dude is the herpes of music. Once you think it's gone, it comes back. #herpes #flareup #pleasegoaway," the recently rehabbed rocker posted on Instagram. And while you might think that would start some sort of celebrity feud in which the South Korean likens Green Day to gonorrhea, Psy’s response was actually much more unexpected than that.
Find out what it was after the jump!


































