cowabunga (interj.)youdaoicibaDictYouDict[cowabunga 词源字典]
1954, American English, from exclamation of surprise and anger by "Chief Thunderthud" in "The Howdy Doody Show," 1950s children's TV show; used by surfers 1960s as a shout of triumph, and spread worldwide 1990 by use in the TV cartoon "Teenage Mutant Ninja Turtles."[cowabunga etymology, cowabunga origin, 英语词源]