Green’s Dictionary of Slang

hoon n.

[ety. unknown. Baker suggests, esp. for sense 2, a contraction of Jonathan Swift’s houyhnhnm (the anthropomorphic horses of Gulliver’s Travels, 1726), but they are seen as intelligent beings. It is their human slaves, the yahoos, who are the fools – and noted as such in dictionaries; note also N.Z. WWII use by religiously motivated conscientious objectors to describe those with political or humanitarian (rather than religious) agendas]

1. [1910s+] (Aus./N.Z.) a pimp, a procurer of prostitutes.

2. [1930s+] (Aus./N.Z., also bloodhoon) a show-off with limited intelligence; a flashy lout or hooligan.

3. [1930s+] (Aus./N.Z.) one who drives in a dangerous, showing-off manner; also attrib.

4. [1980s+] (Aus./N.Z.) a drive taken at high speed.

In derivatives

hoondom (n.)

[1980s+] (N.Z.) the world of loutish exhibitionists.

hoonery (n.)

[1980s+] (N.Z.) loutish behaviour.

hoonish (adj.)

[1980s+] (N.Z.) of a person or their behaviour, exhibitionist, loutish.

hoonmobile (n.)

any type of car that appeals to hoon taste.

In compounds

hoon bin (n.) [sin bin under sin n.]

[1980s+] (N.Z.) an enclosure where drunken sports supporters are detained during a match.

hoonchaser (n.)

[1980s+] (N.Z.) a police officer.