Self-display; the act or attitude of trying to draw attention to oneself — making oneself conspicuous (yojijukugo).
彼の派手な服装は明らかな自己顕示だった。
His flashy clothing was an obvious act of showing off.
ソーシャルメディアでは自己顕示が強く出やすい。
Self-display tends to come out strongly on social media.
自己顕示欲が強い人は、しばしば注目を求める行動を取る。
People with a strong desire for self-display often engage in attention-seeking behaviors.