English English Wikipedia has an article on:top killWikipedia Noun top kill (plural top kills) (oil industry) a method of closing an oil well, by pumping in drilling fluid (synthetic mud) to shut off the flow of oil, and following with concrete (cement) to plug the hole Related terms bottom kill static kill well kill See also junk shot blowout blowout preventerWikiwand - on Seamless Wikipedia browsing. On steroids.