Contrary to popular belief, this term has its origins in China. In the mid-nineteenth century, the Chinese and the British were trading partners in drugs and disputes were commonplace. The Chinese, not being accustomed to British humour, would keep saying "真是让你气" (makes you angry) whenever the British made joking comments during serious negotiations. The British thought "让你气" (rang ni qi) sounded like "tongue-in-cheek" and that was how this term came about.