爆買い

1. Origins, structure, and basic meaning

• Structure: 爆買い(ばくがい) emphatically describes buying a very large amount at once.
• Basic usage: It is used for overbuying at a sale or in articles about tourists' large purchases.

2. Common pitfalls and similar expressions

• Buying together and buying in huge amounts
  • まとめ買い(まとめがい) focuses on buying several items in one go.
  • 爆買い strongly emphasizes the impression of a very large quantity.
• Noun and action
  • 爆買いして is the linking form of 爆買いする and can connect the purchase to what happens afterward.