gloat

Etymology

From Middle English *gloten, glouten, from Old Norse glotta (“to grin, smile scornfully”) or Old English *glotian, both from Proto-Germanic *glutōną (“to stare”), from Proto-Indo-European *gʰel- (“to shine”), related to dialectal Swedish glotta, glutta (“to peep”), Middle High German glutzen, glotzen (“to stare”), Modern German glotzen (“to gawk, goggle”).

verb

1. To exhibit a conspicuous (sometimes malevolent) pleasure or sense of self-satisfaction, often at an adversary's misfortune.
   You did well to win the game, but there's no need to gloat about it.
2. To triumph, crow, relish, glory, revel.

noun

1. An act or instance of gloating.