Sheng, Kenya’s ever-evolving urban slang, has grown from a street lingo for Nairobi’s youth into a cultural identity that cuts across age and geography. Once simply a code for the city’s young and restless, Sheng has now cemented itself as a vernacular that tells more about the speaker than just their words, revealing their age, background, and even their financial standing. Linguist Githiora describes Sheng as a language in constant flux. New words emerge daily, rendering yesterday’s slang outdated. For example, in 2008 the term nangos was the go-to word for a cellphone. By 2012, it had been overtaken by…