[AuntyNice]

Folks, we have nothing on the cashier's counter yet...
if it was an ordinary 4-worded phrase, any picture of a random vehicle on the road will do. there in fact, was another vehicle of identical colour behind our subject of quest. so, it is not the superficial that we're studying..

Final Hint - associate how is our subject vehicle is parked into this idiom

we hitherto have no spot-on answers so it is back to the drawing board.
le QM opens the quiz for the third round of attempts... #headbangwall

Close To The Edge.. (g/w MR)