topper

n. 1. One that tops, in any sense of the verb; specif.: (a) A cover of a top layer or part. [ Colloq. ] (b) One that excels, surpasses, or is extraordinary of its kind. [ Slang ] (c) Any device for cutting off tops; as, a turnip topper. (d) One who tops steel ingots. (e) A three-square float (file) used by comb makers. [ Webster 1913 Suppl. ]

2. A top hat. [ Slang or Colloq. ] [ Webster 1913 Suppl. ]

3. Tobacco left in the bottom of a pipe bowl; -- so called from its being often taken out and placed on top of the newly filled bowl. Also, a cigar stump. [ Slang ] [ Webster 1913 Suppl. ]