It is sometimes spelled arfe and pronounced like barf by its critics.
The prankster would draw attention to himself/herself by putting the handkerchief or tissue to his/her mouth, concealing the fake barf from view.
It functions as an artistic manual for hijackers, equipped with such essentials as a safety instruction card and a barf bag.
After the third round, if two competitors are left, a fourth round of extreme activities is done in a sudden barf format: first to hurl, loses.
