flash in the pan

“The military aircraft, the troops at the border, the talk of drones: It’s all a flash in the pan,” he said.

She’s far from the early days of her career, when many considered her defiance a gimmick, or refuted her as a flash in the pan.

You can watch it and go, "Oh, you're just going home and you're just breaking up with these people. It's just a flash in the pan of your life," but it's a big moment.

Dubois, 27, becomes a top dog in the glamour division, but 'Dynamite' is not a flash in the pan and has long been prophesied for heavyweight stardom.

“It’s just been an alignment of many things that has created this incredible moment for women’s sports that seems to be more than just a flash in the pan.”