The most common and most likely answer to this crossword clue is the 4 plus 5 letter word JUMP START
I've seen this crossword clue in The Guardian
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More clues leading to the result JUMP START
Buddy explains!
The straight part
We know that "That should get you going" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case that should get you going = jump start.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does JUMP START mean?
JUMP START noun- The process or result of jump-starting a motor vehicle.
- To start a motor vehicle by passing an electrical current from a charged battery to the discharged ("dead" or "flat") battery of the vehicle being started, by using booster cables to temporarily connect the two batteries in parallel.
- To reactivate or rejuvenate.