The True Meaning
Yello actually means cheese, in German of course. Yello is not some British brand of yoyo, Ironman's laser beam, British people who can't spell, or British people.
Technically, Yello is not British.
It NEVER WAS!!!
Yello can also be used as a term to describe peanuts when dipped in acidic substances, that are substances that are acidic. Or when are acidic. Or something like that.
Not to be confused with
The band Yello, which was responsible for the song “Oh Yeah”.