“We sometimes used this phenomenon to prank newcomers. A PJ would fill his mouth full of soup with chunky vegetables and sit next to a new PJ. At the proper time, and in full view of the butt-of-the-joke, the PJ would vomit the soup into a clear plastic bag and lick the dribble off his lips. If well-acted and timed, this spectacle would often trigger vomiting in the victim.”
