Unsourced material may be challenged and removed. In the field of consumer behavior, an impulse purchase or impulse buying is an unplanned decision by a consumer to buy a product or service, made just before a purchase. One who tends to make such purchases is referred to as an impulse purchaser, impulse buyer, or compulsive buyer.

Impulse buying or impulse purchase is the buying of a product on the spur of the moment. In other words, the person had not planned to purchase that product, i.e., they decided without any premeditation. Impulse buying is all about emotions and feelings rather than logic and planning.

Definition: Impulsive buying is the tendency of a customer to buy goods and services without planning in advance. When a customer takes such buying decisions at the spur of the moment, it is usually triggered by emotions and feelings. Description: Impulsive buying can't be categorized for one specific product category.