1 definition by NorCal GuNz

Top Definition
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

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.