Green’s Dictionary of Slang

(Aus.) rhythmic dance music, as played in clubs.

1996		3-D World (Sydney) 1 Apr. 44/1: It also gives me a chance to put music together in a way where there’s room for space and atmospherics instead of relentless ‘doof’.
2001		Sydney Scope Mag. Feb. 2/1: Scope sunnily affirms that Gras province populated by rhinestones, daquiri fuelled parody and too-convivial doof.
2006		Wikipedia 🌐 Doof is a term given to outdoor dance parties in Australia. [...] These parties generally have live electronic artists and DJs playing a range of electronic music, commonly Goa and psychedelic trance. The name is derived from the onomatopoeic sound of the kick drum used in electronic music frequently played at these events (as in ‘doof doof music’).