# fourth point of contact

> English word · Noun

## Definitions
1. The ass (buttocks or anus).

## Etymology
From military jargon: the fourth point of the body to make contact with the ground when correctly performing a parachute landing fall.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/fourth-point-of-contact