douche boat

Noun

douche boat (plural douche boats)

1. (US, slang, Vietnam War) A river craft outfitted with a high-pressure water cannon capable of destroying enemy encampments.
   • Douche boats destroyed two bunkers and accumulated 30 minutes of water time.2005, William B. Fulton, Mobile Riverine Force: America's Mobile Riverine Force Vietnam, Turner Publishing, →ISBN, page 42
   • Other river craft, “dubbed “douche boats,” were equipped with high-pressure water jets that could disintegrate enemy positions, including cement bunkers. The “douche boat” also performed an originally unanticipated support function: its water jets easily gouged out wet docks to expedite...2006, Andrew Wiest, Rolling Thunder in a Gentle Land: The Vietnam War Revisited, Osprey Publishing, →ISBN
2. (humorous, slang, vulgar) A rude, obnoxious, or contemptible person.
   • No one gives a flying fuck what you douche boats write.1997 December 22, crsds, “Re: the yellow brick road...leona and cowardice”, in alt.dreams.castaneda (Usenet)
   • Thank you Hope Deli, little Thai lady at Siam Orchid, the Bluetooth Company, random subway goers and douche-boats, […]2010, Casey Rand & Tim Gordon, People Who Deserve It: Socially Responsible Reasons to Punch Someone in the Face, Perigee Books (2010), unnumbered page (acknowledgements)