Thats the thing that makes me unable to answer the question accurately really.

Cause if someone pushes me on a dancefloor i just assume they are a pissed twat looking for trouble, and i leave them to it and just wander off, i wouldnt push back in the first place cause i dont go out looking for fights, and pushing someone back is the way to find a fight, i would sooner just walk off thinking "you twat you cant even handle your beer" than get involved in the first place.