Definition

Your father's Cadillac, typically borrowed by someone without their own impressive vehicle. Represents the time-honored tradition of using parental assets to temporarily boost your social status.

Example Usage

Tony showed up to prom in his dadillac trying to impress everyone, but we all knew it was his dad's car.

Source: Urban Dictionary (https://www.urbandictionary.com/define.php?term=dadillac&defid=408086)