For men: The simultaneous act of sneezing, farting, and cumming while having sex. Thus mimicking the Pokémon Koffing’s smog attack.
For women: The simultaneous act of sneezing, farting, cumming, and queefing while having sex. Thus mimicking the Pokémon Koffing’s smog attack.
“Hey man, how’d you like that midget hooker I sent you for your birthday?”
“Dude, I was blowing her little midget back out and she starting Koffing all over me, it was disgusting!”
*vomits*
Looking for ways to invest your money? Don't think twice, Koffin Kanser is your salvation. Your only salvation I tell you man, he's your financial messiah.