Top definition
When a Facebook friend or Twitter follower posts something you did hours earlier as if it was theirs.
Mike (9:30 am): "This is a really funny video about biking in NYC."

MC: (12:45 pm): "Brilliant bike lane PSA - watch this!"

Mike: Wow MC, where do you find this brilliant material? I suppose my account? You know it's a social echo by not hat tipping me on this right?

MC: *crickets*
by mpfogarty June 10, 2011
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