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Verb
1. display proudly; act ostentatiously or pretentiously; "he showed off his new sports car"
(synonym) flaunt, flash, show off, swank
(hypernym) expose, exhibit, display
(hyponym) flex
(derivation) ostentation, fanfare

v. make a show of, show off, flaunt, feign, display

adj. ostentatious, showy

v. hold; display; flaunt

(v. t.)
To make an ambitious display of; to show or exhibit boastingly.
  

(v.) = boast ; flaunt ; blow + Posesivo + own trumpet ; brag ; show off ; sport.
Ex: In fact, he boasts that he knows more about library work than all of us who have our master's degrees put together.
Ex: After some sort of formal training, they flaunt the so-called basic rules of management.
Ex: Even the president and his henchmen could not resist blowing their own trumpet.
Ex: While pirates and ancient mariners may have bragged about sailing the seven seas, the phrase is merely figurative.
Ex: The district will proudly show off its historical heritage: the monastic library at Broumov, founded in the 13th century by Benedictine monks.
Ex: She has been sporting a little bit of a bump lately, leading everyone to think she may have a bun in the oven.
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* ostentar un cargo = hold + office.
* ostentar un cargo público = hold + a public office.