Stuff wasting time for offspring! (5)

I believe the answer is:

issue

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

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

(Other definitions for issue that I've seen before include "important point" , "Point in dispute" , "Offspring; publish" , "Question - outgoing - children" , "one's children?" .)

I've seen this clue in The Telegraph.

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