Little girl lays next to a St. Bernard dog, they both lie on their backs and kick at the air. Dog barks.
Little boy dressed as golfer trick-or-treats at house, gets scared by animated skeleton decoration & screams. Halloween.
A teen girl jumps onto a toilet seat and cracks it in half, falling into the toilet. no heads
Man gets startled & jumps when firecrackers go off behind him. He's at work in a factory. Practical joke. Surprise. Fireworks.