i always played it

down by the banks of the hanky panky
where the bull frogs jump from bank to banky
with the eeps opps
soda pops
hey mr. willy
and he went ker-plop

it was like, we would all sit in a circle with our palms up, your left hand was underneath the person to the left of you, and your right on top of the person to the right of you and if your hand got smacked on "plop" you were out. then when it got down to two ppl you would act lke you were shaking hands and go back and forth and whoever's hand was away from them on "plop" won. then would would start over... and over... and played all recess! its a lot of fun when you do it in a giant group of ppl