look up any word, like cunt:
 
1.
Defn: Motobunky - A fast moving, clapped out, rusted through, piece of shit mode of transport. Sometimes called a 'sleeper'. Also known as a wolf in sheeps clothing.

Background: Originating from bunky (or rustbucket). Evolved to Turbobunky and now motobunky.
SR20DE+T engine in a rusted out Datsun 200B. 0 - 100 in 5 seconds, quarter mile in an easy 12 seconds.
by NSR150SP July 05, 2004
8 5