John Travolta's First Hit   John Travolta first gained fame as Vinnie Barbarino on the television series Welcome Back, Kotter (1975).
popular adjective (LIKED) A2 liked, enjoyed, or supported by many people: She's the most popular teacher in school. That song was popular with people from my father's generation. Walking is a popular form of exercise in Britain.
Popular Terms. Existing everywhere, or seeming to exist everywhere; omnipresent. The term is often used in phrases such as ubiquitous computing, to designate something that seems to have become so popular it can be found anywhere and everywhere. Use 'ubiquitous' in a Sentence.