impulse buy
noun /ˈɪmpʌls baɪ/
/ˈɪmpʌls baɪ/
(also impulse purchase
/ˈɪmpʌls pɜːtʃəs/
/ˈɪmpʌls pɜːrtʃəs/
)- something that you buy without planning to do so in advance, and without thinking about it carefully
- It was an impulse buy.
- Vending machine purchases are often impulse buys.