noun, noun or participle which takes 'suru', transitive verb
impulse buying; impulse purchase
Refers to buying something on a sudden urge without planning. Often used as a noun or with する to mean 'to buy on impulse'.
衝動買いで無駄遣いしてしまった。
I wasted money on impulse buying.
彼女はよく衝動買いをする。
She often makes impulse purchases.