fourth point of contact
The buttocks.
Definitions
A euphemism for the backside, from parachute-landing-fall doctrine, which counts the body's points of contact with the ground on landing — the fourth being the rear.
fourth point of contact In A Sentence
Origin & Usage
US Army airborne slang, from parachute-landing-fall instruction.
People Also Ask
What is the 'fourth point of contact'?
It's a jokey euphemism for the buttocks, drawn from airborne parachute-landing-fall doctrine that counts the body's points of contact with the ground on landing.
Where does 'fourth point of contact' come from?
It's US Army airborne slang from parachute-landing-fall (PLF) instruction, where paratroopers learn to distribute a landing across successive points of contact — the rear being the fourth.
Is 'fourth point of contact' rude?
No — it's a mild, tongue-in-cheek way to refer to the backside, and it's often used humorously in and out of airborne units.
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