Haitian happiness n. severe diarrhea or dysentery. Editorial Note: Many other terms for diarrhea are constructed with quickstep or (the) trots, such green-apple trots or Saigon quickstep, according to the Historical Dictionary of American Slang. Others include Montezuma’s revenge, the screamers, and the shits. (source: Double-Tongued Dictionary)
Further reading
Samantha Harvey’s novel Orbital is a sensuous, exhilarating meditation about the strangeness of life on a space station, with its mix of tedious tasks and jaw-dropping views. And: a musician who rode the rails in his youth shares the slang he...
Steve, a singer-songwriter from Rock Springs, Wyoming, shares some slang he picked up while months riding the rails and busking. Spanging refers to panhandling, from asking for “spare change.” The term bull refers to a type of security...
Another slang for Haitian Happiness, the shits etc, is Hershy Squirts. You forgot the best one of all! Someone has to add it to the editor’s notes.