The most common and most likely answer to this crossword clue is the 7 letter word REVVING
I've seen this crossword clue in The Times
R
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V
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More clues leading to the result REVVING
Buddy explains!

The straight part
We know that "for this, maybe" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case for this, maybe = revving.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 REVVING mean?
REVVING verb- To increase the speed of a motor, or to operate at a higher speed.
- The act by which an engine is revved.
- A technique for reducing web page loading times by assigning far-future expiration dates to the resources on the page (so that the browser caches them indefinitely) and, if changes are needed, using different filenames for those resources.