readsdrop 

the act of unknowingly paying attention to a conversation between two friends on social networking sites such as Facebook.

Dan: Check this out Mike, I didn't realize I was absentmindedly readsdropping until just now but your girlfriend is totally flirting with some guy from high school!

Mike: Grrrr...

readsdrop by Aretelio January 28, 2009

reavesdropping

Reading a conversation between two people, such as that would be displayed on a social networking site. Similar to the concept of eavesdropping. Coined by Deborah (Brockway) Brown.

I was reavesdropping and found out that she is moving.

reavesdropping by chirogirl July 7, 2009

Reads-drop 

verb
To secretly read something that someone else is reading, often taking place on the subway. Gerund or present participle: readsdropping

I leaned over her shoulder, just enough to reads-drop this week's weather forecast

Reads-drop by Billy Goldtsein August 11, 2018