What four letter words did boxer Jack Dempsey use when he lost to Gene Tuney that Ronald Reagan echoed to Nancy when he was shot?

The four-letter Words that Jack Dempsey used after losing to Gene Tunney were "I got." These Words were echoed by Ronald Reagan to Nancy Reagan after he was shot in 1981, as a way to reassure her that he was okay despite the severity of the situation. The phrase has since become notable in both boxing and political history.