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2.
To sit in a chair (preferably an office chair, but any will do in a pinch) and rythmically wave your arms and legs to a beat.

Whenever a catchy tune plays while I'm at my computer, I'm tempted to chairdance.
by erics September 04, 2006
 
1.
grooving and making dance like motions while seated.
Kevin can chair dance like a penguin in water.
by Anthony Ivankovic December 12, 2006