1. Shuffle shame occurs when you are playing music in shuffle (or random) mode and the songs you are embarrassed about listening to come on as someone you're trying to impress enters the room.
2. Shuffle shame occurs when someone is attempting to shuffle (a form of dancing popular with aznz) but fails miserably and/or realizes that shuffling is lame.
John: Hey Jimmy how you doing?
*non-mainstream music comes on*
Jimmy: ZOMGZ I don't know why that's in my mp3 library.
John: Ugh my ears hurt from not hearing mainstream music with singers who have no real talent!!!11
Pedophile looking through window: This is a common case of shuffle shame.