The most common and most likely answer to this crossword clue is the 7 letter word TITBITS
I've seen this crossword clue in Financial Times
T
I
T
B
I
T
S
Buddy explains!

The straight part
We know that "Nuggets" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case nuggets = titbits.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 TITBITS mean?
TITBITS noun- A tasty morsel (of food).
- A quarter of a byte (Half of a nybble; two bits).
- A short mention of news or gossip.