Top definition
The phenomenon where the same comments start being posted by different commenters regarding an article or Facebook item because new posters haven't bothered to read all of the other posts or did not "view all comment."
Tim: That's the third person who has posted that they now have that song in their head regarding that link about Vanilla Ice on my Facebook wall.

Dan: They must not be clicking the "view all comments" link so now you're getting comment rollover.
by Alfetta159 December 11, 2009
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