I-Peeper 

eye-peeper(noun); a person, usually in the workplace, who looks at someone's IPOD screen to see what it is they are listening to and then comments on it, or uses that information later for some other purpose.

"Joe I-peeped me yesterday when I was listening to Black Sabbath, and then during lunch, joked to my boss that I listen to 'the devil's music'".

"Hey, I don't mean to be an I-Peeper but I see we have a mutual Clay Aiken thing going on."

I-Peeper by Gregg Z. January 22, 2007

I Peeped 

When you say something to stir up drama. Typically used among small groups with an “inside joke” vibe.

When the tea is spilled, one might say “I peeped”.

I Peeped by megagardevoir May 28, 2019