Arnold Schwarzenegger has posted a tribute to his late Predator costar Carl Weathers ... including their handshake that became a viral meme. “Carl Weathers will always be a legend.

Indeed, outside of the film in which this handshake takes place, "Predator," this handshake has taken on a life of its own as a meme. "Dillon, you son of a b****" Schwarzenegger says as he ...