Freddie (dance) jumping jacks; then extends the right leg and raises both arms again. The moves are repeated until the song's conclusion. Although the dance never achieved lasting popularity, it was instantly recognizable. In a 1965 episode of "The Addams Family" ("Lurch, the Teenage Idol"), Gomez Addams (John Astin) does The Freddie enthusiastically in his living room. In 1989 "Do the Freddie" made a surprise comeback in the movie "Troop Beverly Hills". In 1987 another song called "Do the Freddy" was released, off the gimmick album "Freddy's Greatest Hits". Complete with guest vocals by Robert Englund as slasher movie icon Freddy Krueger,
Krueger flap flaps and outboard slats, although it had no engine between them. Most early jet airliners, such as the Boeing 707 and Boeing 747, used Krueger flaps only. While the aerodynamic effect of Krueger flaps may be similar to that of slats or slots (in those cases where there is a gap or slot between the flap trailing edge and wing leading edge), they are deployed differently. Krueger flaps, hinged at their foremost position that once deployed actually become their trailing edges, hinge forwards from the under surface of the wing, increasing the wing camber and maximum coefficient of lift. It