撃うちまくる

godan verb (-ru), transitive verb

fire ceaselessly; shoot away; blaze away

Describes continuous, intense shooting, often with a sense of unleashing a barrage. Used in action scenes, games, or metaphorical attacks.

• 敵てきに向むかって銃じゅうを撃うちまくった。

  He fired his gun ceaselessly at the enemy.

• ゲームで弾たまを撃うちまくるのは楽たのしい。

  It's fun to blaze away with bullets in the game.