Whoops Johnny

Johnny, Johnny, Johnny, Johnny, (start at little finger, tapping each in turn)
Whoops Johnny, (on “whoops”, slide down index finger, up & tap thumb)
Whoops Johnny, Johnny, Johnny, Johnny. (slide down thumb, up index, tap index)
Repeat back in opposite direction, to end with the little finger you began on.

Variant:
Try customizing this by substituting your child's name for "Johnny".