The most common and most likely answer to this crossword clue is the 9 letter word CLINCHING
I've seen this crossword clue in The Guardian
C
L
I
N
C
H
I
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G
Buddy explains!

The straight part
We know that "getting close and personal" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case getting close and personal = clinching.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 CLINCHING mean?
CLINCHING verb- To clasp; to interlock.
- To make certain; to finalize.
- To fasten securely or permanently.
- To bend and hammer the point of (a nail) so it cannot be removed.
- To embrace passionately.
- To hold firmly; to clench.
- To set closely together; to close tightly.
- A clinch; a passionate embrace.
- A making certain or finalizing.
- The distortion of computer tape by wrinkling.
- That settles something (such as an argument) definitely and conclusively