Excellent American directions (3,2,2)

I believe the answer is:

way to go

I'm a little stuck... Click here to teach me more about this clue!

'directions' is the definition.
(I've seen this before)

I cannot understand how the remainder of the clue works.

(Other definitions for way to go that I've seen before include "Well done" , "Directions" , "good job" , "Route to a destination - preferred course of action" , "Director gives one" .)

Want a hint initially instead of a full solution? Install my app