How do you say 420 in Kikuyu language?

There's no direct translation for "420" in Kikuyu language. Kikuyu, like many other languages, doesn't have specific words for large numbers beyond a certain point.

Here's how you could express 420 in Kikuyu:

* "Inaana na makumi mararo na mbili" - This literally translates to "Four hundreds and twenty".

* "Mĩĩrĩ mũingi" - This means "Many" or "A lot".

It's important to understand that the specific phrasing would depend on the context. If you're referring to a specific quantity, it's best to use the first option with the more precise number. If you're using it in a more general sense, the second option might be more appropriate.