Definition of toppers:
(n) :
Something that is on top.
(n) :
A top hat.
(n) :
A soft, relatively thin, piece of padding placed on top of a mattress, or forming the upper layer of a mattress.
(n) :
Something that exceeds those previous in a series, as a joke or prank.
(n) :
(India) The student who achieves the highest score in an examination.
(n) :
(chiefly US) A short outer jacket worn by women or children.