the mind > mental capacity > expectation > surprise, unexpectedness > exclamation of surprise [interjection] > mingled with contempt (3)
In phrases. marry come up: expressing indignant or amused surprise or contempt.
An exclamation expressing surprise with some degree of contempt, esp. at words or actions considered to show flightiness or undue assumption.
Expressing contemptuous surprise or annoyance; = hoity-toity, int. Now rare.