Ha-ha Mo! Love the lavatorial humour!

However, there seems to be an increasing trend, especially at ceilidhs with younger people involved, to go "gender free". Instructions that mention men and ladies, boys and girls will not work for the dance when you have most of the boys partnering boys and girls dancing with girls!

Yes, and certain dance names will get people who have sat around most of the night on to the floor, with a big "Oh yes, got to do this one". Some tunes have the same effect, e.g. Atholl Highlanders, Turkey in the Straw.