Adverb
in a gloating manner
Source: WordNethe spoke gloatingly about people he had cheated out of their money Source: Internet
However, as Blackie gloatingly tells Burley of their plans, it becomes clear that Blackie intends to take Mary away from the Tivoli and put her back on stage at the Paradise. Source: Internet
The theme of much of his work is egotism and its supernatural punishment; his weird fiction is generally macabre in subject matter, gloatingly preoccupied with images of death, decay and abnormality. Source: Internet