Crossword Genius

This should get you going (8)

Ross

I believe the answer is:

laxative

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'this should get you going' is the definition.
The definition suggests a singular noun which matches the answer.

This is the entire clue.

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(Other definitions for laxative that I've seen before include "Medicine for constipation" , "Aperient medicine" , "Purgative, loosener" .)

I've seen this clue in The Sun.
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