A completely platonic relationship defined by the act of accompanying another in a dangerous or awkward situation. It is a combination of the words friend and escort. It was originally used by improv actors in St. Louis, Missouri to indicate an intent to traverse Cherokee street without peril.
will you please be a friendscort to my car? There were some wingnuts in the parking lot." or "I'll friendscort you to the Justin Bieber concert so you won't look out of place because there will be another 30 year old guy there.