Like a regular rock, but online. Mostly used as a substitute for the phrase "living under a rock". Used to refer to people who haven't heard of something important on the internet, possibly a meme. Used frequently by Charles Trippy.
Dude! That grizzly bear looks so much pedobear!
Whats a pedobear?
Ah, man, you've been living under an internet rock!
Whats a pedobear?
Ah, man, you've been living under an internet rock!
by BigCheeseButt July 17, 2011