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gay bomb

n. A theoretical chemical weapon whose aim is to instigate feelings of mutual attraction amongst enemy soldiers

Wikipedia
Gay bomb

The "halitosis bomb" and "gay bomb" are informal names for two theoretical non-lethal chemical weapons that a United States Air Force research laboratory speculated about producing; the theories involve discharging female sex pheromones over enemy forces in order to make them sexually attracted to each other.

In 1994 the Wright Laboratory in Ohio, a predecessor to today's United States Air Force Research Laboratory, produced a three-page proposal on a variety of possible nonlethal chemical weapons, which was later obtained by the Sunshine Project through a Freedom of Information Act request.