Decked Share definition Flag To deck is too: Take your skateboard and smash it against someone's face. To get decked: Too get smacked by a skateboard. Most likely to knock you the fuck out. If you don't leave your gonna get decked!Suuure.*Decks immature bitch*DECKED! I told you whore. Decked by TylerCarterObsession<# July 20, 2011