also: スタンドプレイ
noun
grandstanding; showboating; showing off
Wasei-eigo from 'stand play'; refers to behavior aimed at drawing attention or applause, often in sports or public situations.
wasei-eigo (Japanese-coined English), from stand play
彼のスタンドプレーにはみんなうんざりしている。
Everyone is fed up with his grandstanding.
試合中にスタンドプレーばかりする選
A player who only showboats during the game is a nuisance to the team.