Baddest gun slinger in the west-basically an urban legend: rango dean is said to appear on horse back running towards your car if you flash your brights 13 times and and say rango dean in your rerview mirror. he will kill you if he sees you.
Rango Dango's origin dates back to native English speakers confusing Dutch nationals. The Dutch are very confident in their English, however, Rango-Dango can only be defined recursively. Ie. Rango Dango must be explained using the term Rango Dango which breaks several rules of Dutch logic and practicality.
Rango Dangos is often said when you get the happy feeling of a group of friends leaving for a party together, beginning to prepare to cook dinner or even cycling through three green lights without catching a red.
It's also possible to Dango before you Rango which typcially ends in injury or embarressment.