はやいものがち
first come, first served; the early bird catches the worm
Also written 早いもの勝ち、早いもん勝ち
Expression
早はやい者勝ものがちですよ。
First come, first served.
部長ぶちょうのポストが早はやい者勝ものがちだって聞きいたか?
Did you hear that the position for manager is up for grabs?