AA: Surprise. Morgue corpse scares worker. police officer/cop practical joke.
Woman wakes her sleeping husband to tell him there's a spider above his head. He frantically begs her to kill it. She's pranking him and laughs hysterically. Practical joke.
A man falls down when he runs on a slip and slide covered with water.
2 tots slide and fall on ice at exact same time - twice
Cement truck loses its mixer when it turns.