a few nicknames come to mind: "Wembley Wizards" - Scottish side that went to Wembley and defeated England in 1928. The "Magical Magyars" - undefeated Hungarian team of the 1950's (1952 Gold Medal winners; 1954 World Cup runners up) and the "Wunderteam" - Austria's side of the 1930 with a winning streak and lopsided victories.
So far I got: La Máquina: River Plate of the 1940's. The team consisted of Juan Carlos Muñoz, José Manuel Moreno, Adolfo Pedernera, Angel Labruna and Felix Loustau. Clockwork Orange: the great dutch national team of the 1970's. Ye-Ye team: Real Madrid of the 1960's named after the Beatles' song "She loves you".
Two more Italian teams La Grande Inter: Inter Milan that won two European Cups in the 1960's. II Grande Torino: The dominating Italian side of the 1940's that were killed in a plane crash at Superga.
Clockwork Orange-1974 holland team the invinciblesdes invincibles)-ajax 95 the invincibles(di invinicbli in italian)-ac milan 92 the invincibles-arsenal 2004
Blue Ballet: the name of Millonarios in Colombia that inlcuded Di Stefano, Rial, Pedernera. They won 4 out of 5 Colombian titles during the breakway era.
FC Barcelona "El Barça de les Cinco Copas" Swept all trophies on offer during the 1951-52 season. In total the team won 10 trophies during the three-season span of 50/51-52/53. Primera División - 1952, 1953 Copa Generalísimo - 1951, 1952, 1953 Copa Latina - 1952 Copa Eva Duarte - 1952, 1953 Copa Martini Rossi - 1952, 1953 "Dream Team" Cruyff-managed team that won 11 trophies between 1989-1994. Primera División: 1991, 1992, 1993, 1994 Copa del Rey: 1990 Supercopa de España: 1991, 1992, 1994 European Champions' Cup: 1992 European Cup Winners' Cup: 1989 European Super Cup: 1992 -- Nickname taken from U.S. basketball team that won the gold medal at the 1992 Barcelona Olympics.
Brazil: Expresso da vitória (Victory Express) - Vasco 1940's - Have that name for not loose 30+ international games in a row, as a away team. Máquina Tricolor (Three Color Machine) - Fluminense 1976-77 - A team with incredible stars, like Rivelino, Paulo César Caju and Pintinho. Democracia Corinthiana (Corinthian Democracy) - Corinthians early 80's - A team who players have much command in the admnistration and strategy of team. A academia I e II (The academy, I and II) - Palmeiras 60's and 70's respectively, the unique team who have more than 10 games against Santos of pelé and have a better retrospect. Os Meninos da Vila (The Village Kids) - Santos 2002-04 - Reference to the team formed by youngster from youth division of santos (Robinho, Diego, Elano, Deivid, Alex...) Tico-tico no Fubá (A song name, the concept is hard to translate) - América-RJ 40's - A team that pass the ball very fast and try to keep the ball possesion, the music have a very fast rhythm.