Noun
four on the floor (uncountable)
Alternative spelling of four-on-the-floor
(motor vehicles) A four-speed manual transmission whose gearshift lever is mounted beside the driver on the floor of the vehicle.
(idiomatic, music) A steady, uniformly accented beat with a 4/4 time signature.
Source: en.wiktionary.orgfour-on-the-floor
Even further in this direction was the electronically sequenced, four-on-the-floor single " Blue Monday ". Source: Internet
Most disco songs have a steady four-on-the-floor beat, a quaver or semi-quaver hi-hat pattern with an open hi-hat on the off-beat, and a heavy, syncopated bass line. Source: Internet