mainshopper

noun
UK /ˈmeɪnˌʃɒpə/
US /ˈmeɪnˌʃɑːpər/

A mainshopper is a person who does most of the shopping for a family or group.

My mom is the mainshopper in our house, so she buys all the food and clothes.


OTHER MEANINGS

2. The person in charge of buying supplies for a team or office.

As the mainshopper for the office, he orders all the pens and paper.

3. A shopper who focuses on the most important or biggest purchases.

She is a mainshopper who plans big buys like furniture before small things.

4. A store's most frequent or important customer.

The shop treats its mainshopper with special discounts.