je passiert ist

has ever happened

→ je
phrase Rare #38,911
has ever happened Usually appears in the construction „was mir je passiert ist“, meaning “that has ever happened to me.” „Je“ means “ever,” and „passiert ist“ means “has happened.”
GE: Das war das Lustigste, was mir je passiert ist.
EN: That was the funniest thing that has ever happened to me.

Das Beste, was mir je passiert ist.

The best thing that ever happened to me.

— Drive (2011)

Du bist das Beste, was mir je passiert ist!

You're the best thing that ever happened to me!

Was ist das Schlimmste, was dir je passiert ist?

What is the worst thing that has ever happened to you?

Die Fahrkarte zu gewinnen, war das Beste, was mir je passiert ist.

Winning the ticket was the best thing that ever happened to me.

— Titanic (1997)

Das ist mit das Beste, was mir je passiert ist.

That’s one of the best things that’s ever happened to me.