mom and pop

Short definition from Wiktionary

Noun

1. 1
   A small business, often but not always owned or operated by a family.
2. 2
   Used other than figuratively or idiomatically: see mom, and, pop.
3. 3
   Alternative form of mom and pop (“a mom-and-pop operation”).
4. 4
   Alternative form of mom and pop.
5. 5
   Alternative form of mom and pop.

Adjective

1. 1
   Alternative form of mom-and-pop.
2. 2
   Small and unsophisticated, typically because operated by a couple or a family.
3. 3
   Alternative form of mom-and-pop.
4. 4
   Alternative form of mom-and-pop.