grandstander
Noun
Meaning
someone who performs with an eye to the applause from spectators in the grandstand
Source: WordNetSynonyms
peacock
sausage
red-hot
braggart
hotshot
boaster
bragger
trumpeter
officeholder
know-it-all
blowhard
blusterer
posturer
show-off
swaggerer
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Hypernyms
Examples
Indeed, he quickly drew criticisms from lawyers involved — The New York Times, while shadowing him for a day, overheard counsel calling him a "grandstander" and "Pollyanna" — and from the legal community at-large keenly following the proceedings.
Reiner thrived on publicity, and knew how to get it; he was a grandstander.