Tardelli made his international debut on 7 April 1976 against Portugal. He played at the 1978 World Cup and the 1980 European Football Championship on home soil, reaching the semi-final and earning fourth-place finishes in both tournaments, and being named as a member of the team of the tournament at Euro 80. He performed especially well during Italy's 1982 World Cup-winning campaign, scoring twice. His first came in a second-round group stage win against Argentina, and his memorable second goal of the tournament was scored in the final against West Germany, with a left footed strike from outside the area. With tears in his eyes, he ran towards the Italian bench, fists clenched in front of his chest, screaming "Gol! Gol!" as he shook his head wildly. This celebration has been called the "Tardelli cry", and was considered one of the defining images of Italy's 1982 World Cup triumph; Tardelli later reflected: