Padiddle, perdiddle, padoodle, and even wilder variants all belong to the same car game: spot a vehicle with one headlight out and claim the point, slap the ceiling, or, in older versions, collect a kiss. Kurt from Philadelphia grew up with one...
Maybe you know it as perdiddle, but a Wisconsinite shares memories of playing padiddle. You need at least two people in a car, an oncoming vehicle with a headlight out, and, depending on which version of the game you play, you need to be prepared...