The Big Apple:

An etymological dictionary

Investigating the origins of American words, names, quotations and phrases. Over 41,000 entries.

Delhi Belly (traveler’s diarrhea)

Entry in progress -- B.P. Wikipedia: Traveler's diarrheaTraveler's diarrhea (TD) is a stomach and intestinal infection. TD is defined as the passage of unformed stool (one or more by some…

Baltimore chop (baseball term)

The "Baltimore chop" in baseball (popularized by the Baltimore Orioles team in the 1890s) is when a batter attempts to hit the top of the baseball to drive it hard into the ground, so…