Show-off!

ostentatious
(adj)
os-tǝn-TAY-shǝs
Meaning

showy; pretentious; trying to attract attention; flashy

1st Sample Sentence

On his first day of work, he came to the office wearing an enormous orange turban, a rainbow-colored kurta, leather pants, and mirror-covered cowboy boots, and was quietly told that in future he must not dress in such an ostentatious manner.

Root

ostentare (to display) (Latin)

Mnemonics

oSTENTATIOUS. read it as Stuntatious. Stunts. you perform stunts to attract attention, showy.