Top Definition
A mature human male who has achieved alpha status and consequently copulation with extremely healthy female(s) via wealth, especially with regard to his comparative lack of physical fitness and that of his (commonly exquisite) female companion(s). Derived from the platinum credit card(s) he has + the term silverback of Gorilla fame.
This chick on the beach had the most bangin' rig known to man. She was rocking the bikini up and down the sand. I scoped for the giant ogre I assumed she was with but it turns out she's here with that tubby-looking platinumback who drives the BMW
by rg1980 May 28, 2010
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