A giant retarded person who is roughly between 6ft and 7ft(If bigger then watch the fuck out)
Calvin is such a silverback i saw him put his dick in a blender.
by CU4H November 08, 2012

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Of unknown origin, a term frequently used by Western males in South Korea to refer to their Western female counterparts. The term refers only to caucasian females, and probably derives from the term used to describe a male gorilla with a back that grays with age.
A: I had sex last night. I'm finally off the slide.
B: Nice work! Native (Korean) or silverback?
A: Silverback.
B: Canadian?
A: Of course.
by seouledout October 11, 2010

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Silverback is when a mentally retarded person gets furiously enraged and gains superhuman strength.
The retard was so enraged that his ketchup wasn't a turtle, that he went silverback and flipped the entire table over.
by NorCal GuNz June 19, 2011

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An older man who frequents clubs in order to score with any woman. The silverback will usually make passes at any woman using bad pickup lines until he is able to find one that accepts, usually due to severe alcohol consumption.
Ew, that silverback just tried to hit on me, he's old enough to be my dad.
by mphasize July 31, 2009

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an older african american male. because just like the actual species, it's pretty rare to see one alive and in the wild.
if you plan to go to Roscoe's Chicken on a weekend, either get there early or be prepared to have to fight your way through swaths of silverbacks if you want any waffles.
by elduderino01 January 07, 2009

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a creature/(not entirely sure) with silver skin on the back of the neck that wears baby blue shorts in the middle of winter. It has a crazy foot tapping ability at a frequency of 1500 meters. Its mating call for the Ugma is muscle spasms in all four limbs and a yawn.
The Silverback is picking the silver off its elbows and replacing its cuticles with lead.
by Meters May 21, 2009

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To “go silverback”: to fly into an intense and sudden rage which might involve contortions of the face, grimaces, a roar of anger and raised fists. After attacking and at least attempting to land a few punches, the rage recedes and the person often goes in a subdued and slightly embarrassed silence.
When he found out I’d slept with his girlfriend, Andy went silverback on my ass.

All I said was that I thought her sister was cute and she went totally silverback
by DrunkenChris February 05, 2007

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