“David Gilmour and Roger Waters composed the song on guitar using an open tuning in G major. Waters plays the acoustic guitar parts on the studio recording, despite his job as the band’s usual bassist.
The song is almost regarded as an underground hit for Pink Floyd, although it was not released as a single in the UK or played live by the band. Its title is derived from a football (soccer) slang term for “awesome”, which became a cliché among the band’s touring party.”
From the album Meddle, here’s “Fearless” by Pink Floyd