bazooka (n.)youdaoicibaDictYouDict[bazooka 词源字典]
"metal tube rocket launcher," 1942, from name of a junkyard musical instrument used (c. 1935) as a prop by U.S. comedian Bob Burns (1896-1956); extension of bazoo, slang for "mouth" or "boastful talk" (1877), probably from Dutch bazuin "trumpet."[bazooka etymology, bazooka origin, 英语词源]