noun: (aviation) Initialism of anti-shock body. [(aviation) A pod, protuberance, or swelling used to adjust the variation in an aircraft's cross-sectional area along its length so as to better conform to the area rule, reducing wave drag at transonic speeds.]
noun: (alternate history, fandom slang) Initialism of alien space bats. [(fandom slang) An implausible point of divergence from reality, used as a plot device in alternate history.]
noun: (Internet slang) Initialism of as balls.
noun: (psychology) Initialism of antisocial behavior.
