coxcombic
/kɒksˈkɒmbɪk/Definitions
1. adjective
Like a coxcomb, especially in being proud or ostentatious.
“The politician’s coxcombic display of wealth was criticized in the media.”
2. noun
A person or thing that is coxcombic.
“The celebrity’s coxcombic personality was a subject of public fascination.”