Pod Twins
Two people (usually, teenagers on the bus or subway) plugged in to a single iPod, both using one half of the same pair of headphones simultaneously.
Speaker #1: "Will you look at those two idiots! You'd think they couldn't live without music!"
Speaker #2: "Hush! Careful. It ain't because they're Pod Twins that they can't hear you, you know!"
Speaker #2: "Hush! Careful. It ain't because they're Pod Twins that they can't hear you, you know!"