The most common and most likely answer to this crossword clue is the 5 letter word SPROG
I've seen this crossword clue in The Guardian
S
P
R
O
G
More clues leading to the result SPROG
- Youngster getting into humorous programmes
- Youngster finally leaves for good
- Seconds for good child
- TV show seen by second child
- Ultimate in incentives for good child
- Baby—super-tough, oddly
- Issue covered by arms programme
- Kid Rock produced by Yes? Bit of shock initially!
- Child appearing in Pilgrim’s Progress
- Issue special programme
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 SPROG mean?
SPROG noun- A child.
- (RAF) A new recruit.
- Semen.
- A deflection-limiting safety device used in high performance hang gliders.
- To produce children.
- To ejaculate, to come.