Manage to text stud - having absolutely no time for going out (6)

I believe the answer is:

exodus

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

I don't understand how the rest of the clue works.

(Other definitions for exodus that I've seen before include "Mass leaving" , "Book following Genesis" , "Departure of the Israelites from Egypt, led by Moses" , "Mass flight" , "Film of book" .)

I've seen this clue in The Independent.

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