The most common and most likely answer to this crossword clue is the 5 letter word NERDS
I've seen this crossword clue in The Daily Telegraph
N
E
R
D
S
Buddy explains!
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 NERDS mean?
NERDS noun- (sometimes derogatory) A person who is intellectual but generally introverted
- (sometimes derogatory) One who has an intense, obsessive interest in something.
- An unattractive, socially awkward, annoying, undesirable, and/or boring, person; a dork.
- (post-1980s) A member of a subculture revolving around video games, fantasy and science fiction, comic books and assorted media.