Boise City, OK
Boise City is a city in and the county seat of Cimarron County, Oklahoma, United States. The population was 1,266 at the 2010 census.
'Boise' /bɔɪs/ rhymes with 'voice' (unlike Boise, Idaho). Boise City therefore sounds much like 'Boys City'.
The actress Vera Miles was born in Boise City in 1929.