impulse buy

Noun

Something purchased spontaneously, without planning or thought.

Japanese Meaning

衝動買い：計画せず、突発的な気まぐれで商品の購入を行うこと

I didn't plan to buy anything, but the colorful notebook turned into an impulse buy at the checkout.

何も買うつもりはなかったが、カラフルなノートがレジで衝動買いになってしまった。

Sense（1）

Something purchased spontaneously, without planning or thought.

impulse buys

（ plural ）