A hand-clapping game that little girls have played since at least the 1920's. I learned it in kindergarten, along with the delightfully naughty song "Miss Susie".
Hey hey little playmate
Come out and play with me
and bring your dollies three
climb up my apple tree
climb up my rain barrel
slide down my cellar door
and we'll be jolly friends
forever more, more more!
Notes:
Yes, you can slide down a cellar door. Some cellars have doors that are next to the house -- big metal sloping things with handles, that you can run up and slide down if you are about 4 years old.
There are many minor variations on this song. The coolest one is
Hey hey little enemy.