Definition of "Topper" :

noun: a man's hat with a tall crown; usually covered with silk or with beaver fur

noun: a woman's short coat

noun: an exceedingly good witticism that surpasses all that have gone before

noun: the person who is most outstanding or excellent; someone who tops all others

noun: a worker who cuts tops off (of trees or vegetables etc.)

noun: a worker who makes or adds the top to something