We Are The Champions is a song written by the 1980s group Queen and used as a victory celebration at sporting events and other celebrations. The song was first released in 1977 sung by lead singer Freddie Mercury reaching the top ten in both the U.K. and the U.S. In 2005, the song was inducted into the Grammy Hall of Fame.
In "The Bat Jar Conjecture", Leonard's team celebrated to this song when they won the Physics Bowl. Howard came down front and ripped his t-shirt off.