fourth point of contact

短语

发音

US

词形变化

fourth points of contact 复数 fourth points of contact

释义与例句

n.
  1. 1.

    The ass (buttocks or anus).

    美国 俚语

词源

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

来源：wiktionary