Among the character-building sports practised by wealthy members of the historic New York Athletics Club are judo, wrestling, rugby, boxing, water polo and fencing.
A combination of all six was on display when a row between the chino-wearing patrons of the NYAC's wood-panelled Tap Room bar escalated into what a recently published account from an astonished witness called "the best fight I've ever seen".
Three gentlemen were arrested, and two sent to hospital, after police were called this month to the 144-year-old club, which overlooks Central Park and is known for its strict dress code, exclusive membership and eye-watering fees.
Fisticuffs began when two mildly inebriated members began arguing over a woman, said a report which was posted on the "Wall Street Jackass" internet blog last week and has since gone viral.
It escalated into a "non-discriminatory ragematch" which involved "young people, old people, girls, members, non-members" and ended with tables and chairs overturned, glasses smashed, blood on the floor and walls and "at least two broken noses".