1 definition by Mark Rodenhauser

adj: a beat or rhythm that is hypnotic to the point of making your head nod. Believed to be pioneered, but not created by, Pandora radio as an attribute of music, specifically in hip-hop, hip-hop instrumentals and trip-hop genres.
This beat is so headnodic that I was nodding the whole time without even realizing it.
by Mark Rodenhauser September 25, 2008
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