To all you yucky competition dancers.

I say that "Jack and Jill"s are the only competitions that have the right to
call themselves partner dance competitions. All others should be called
paired solo/performance dance competitions.

http://en.wikipedia.org/wiki/Jack_and_Jill_(dance)

Example:
http://www.lindylibrary.com/main/ultimate-lindy-hop-showdown-2006/ulhs2006-jack-jill-finals-competitio.html