Yum Yum is an unincorporated community in Fayette County, Tennessee

Tennessee

Tennessee is a U.S. state located in the Southeastern United States. It has a population of 6,346,105, making it the nation's 17th-largest state by population, and covers , making it the 36th-largest by total land area...

, United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. Yum Yum is 7 miles (11.3 km) north of Somerville

Somerville, Tennessee

Somerville is a town in Fayette County, Tennessee, United States. It is part of the Memphis metropolitan area. The population was 3,094 at the 2010 census. It is the county seat of Fayette County.-History:...

. The community is also called Garnett after John J. Garnett, who opened a store there in 1897. Local tradition states that the community was named when U.S. Senator Kenneth McKellar

Kenneth McKellar

Kenneth Douglas McKellar was an American politician from Tennessee who served as a United States Representative from 1911 until 1917 and as a United States Senator from 1917 until 1953...

 asked Garnett what to name the new post office

Post office

A post office is a facility forming part of a postal system for the posting, receipt, sorting, handling, transmission or delivery of mail.Post offices offer mail-related services such as post office boxes, postage and packaging supplies...

and Garnett answered, "Just call it Yum Yum. There won't be another name like that."