Slushbox

Pronunciation

Origin

slush + box

Full definition of slushbox

Noun

1. (slang, automotive) An automatic transmission (in reference to the fluid-coupling of the torque converter).The slushbox did nothing to improve an already sluggish response.Slushboxes are taking over the scrub. Once scorned in the bush, the automatic gearbox today is more widely accepted in traditional four-wheel drive wagons. "Bush bashers go auto." The Sunday Telegraph. 2002 July 21. Pg. A05.