What is Crab Dance?
1.
A dance that symbolises the movement of a crab, often accompanied with arched legs, and movement of arms and hands like pinsors.
My Chumphreys did the crab dance, it was hilarious!
He promised us a Crab Dance at the end of the year
See
2.
the "crab dance" (from the French danse de crabe) - a technique that can only be mastered during periods of extreme inebriety. involves arms and legs simultaneously moving in random raving-style, crab-like motions.
"andy stop doing the crab dance in front of the tv! we can't play goldeneye or watch the hebrew hammer!"