1. Gym/Sports Jargon; any strong or very athletic male above the usual age. usually above 45.
2. Gym/Sports jargon; a male who is significantly stonger than he may seem, with great endurance. See also Beast Def 10.
Guy1: who is that guy, killing us out on the field it's only flag football
Guy2: oh the silverback? that's my grandfather, you should see him in the gym.
3👍 18👎