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A description used for someone who may look like a big throbbing red fire truck with a blue head, but is infact a souless mechanical failure who wasn't constructed to gods true design. Sub prime. To qualify he/she must be a dancelexic and regularly attend Alaskan Spear thrower classes.
1. "Look at Optimus Sub-Prime, he's having a fit on the dancefloor again. Theres something not quite right in that boy".

2. "Watch Out, Optimus Sub-Prime is about to throw his spear!
by gaztopfunkatronopolus January 09, 2009
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