何する

what are you going to do?

→ 何
phrase Uncommon #14,461
what are you going to do? Casual spoken form of 何をする; the を particle is omitted. The subject is usually understood from context.
JA: 週末は何する?
EN: What are you going to do this weekend?

何する

What should we do?

— TAXi (1998)

ゴミ中へ何する

What are you doing in the trash?!

— Good Luck, Have Fun, Don't Die (2026)

何するんですか

What are you going to do?

— ファイト・クラブ (1999)

何する

What are you going to do?

— ムーラン・ルージュ (2001)

僕にも・・・何する言わないんだ

You won't even tell me what you're going to do...

— ラ・ラ・ランド (2016)

何する

What are you doing?!

— Good Luck, Have Fun, Don't Die (2026)

今日は何する

What are you doing today?

何するんです

What are you going to do?

— コーカサスの虜 (1996)

奴が何する見て逮捕する

What’s that guy doing—looking at clothes? Are you going to arrest him?

— ブゴニア (2025)

父ちゃん何するのかな

I wonder what Dad’s going to do?

— ファニーゲーム (1997)

もし半年休みがあったら何する

What would you do if you had six months off?

何するんです護衛を殺す気か?

What are you doing? Are you trying to kill me, your bodyguard?

— 暗殺の森 (1971)

雨だったら何する

What will you do if it rains?

このお金何するつもりなの

What are you planning to do with this money?

何する決めたの

Have you decided what to do?

起爆剤何する?

What are you going to do with the detonator?

— ダイ・ハード (1988)