fourth point of contact
n.— «I had no problem climbing onto the bed of the truck, since I was ten pounds lighter in my fourth point of contact.…p. 394: The fourth point of contact when performing a parachute landing fall is the buttocks.» —by Richard R. Burns Pathfinder: First In, Last Out Feb. 26, 2002. (source: Double-Tongued Dictionary)
Further reading
In the 15th century, the word respair meant “to have hope again.” Although this word fell out of use, it’s among dozens collected in a new book of soothing vocabulary for troubled times. Plus, baseball slang: If a batter...
Cat hair may be something you brush off, but cat hair is also a slang term that means “money.” In the same way, cat beer isn’t alcoholic — some people use cat beer as a joking term for “milk.” And imagine walking on a...