Randenio 

Something a person would call a stranger, or a person who they have never met in real life

Who's this randenio?

Randenio by Megatron's adopted son December 10, 2020

Randanious 

The cross of two words: Random and Spontaneous

I have a very randanious personality

or

This randanious event happened today

Randanious by Christina Ashleigh December 18, 2008