Chunk fu, a series martial art moves that includes throwing food at people who pissed you off or just made you angry or just for the hell of it anyway truck crew takes practice and years of training if you do it wrong you have to go back to the poop deck and scrub the feces of the Chinese junks or be mawed by pandas.
History
Chunk fu been around for a long time since the dawn of the end of the world according to them who are the Monks of Chirping Rabbits. This martial arts was forbidden in the West for a long time after the 8th of July when a Chirping Monk started the Second Foreign Devil War. Then later came a bombarding of treaty ports by the foreign food companies.