まとめ買がい

noun, noun or participle which takes 'suru', transitive verb

bulk buying; stocking up

Refers to purchasing large quantities at once, often to save money or reduce shopping trips. Commonly used for groceries, household goods, and supplies.

• 週しゅう末まつにまとめ買がいをして冷れい蔵ぞう庫こがいっぱいになった。

  I stocked up over the weekend and the fridge is now full.

• トイレットペーパーをまとめ買がいすると安やすくなる。

  Buying toilet paper in bulk makes it cheaper.