What does the cryptic crossword clue "Kittens? Something for them to go on! (3,6)" mean?

The definition is "Kittens? / Something for them to go on". The wordplay uses a double definition. Double definition The answer is CAT LITTER.

Kittens? Something for them to go on! (3,6)

Times Cryptic #29234 | 14 Down | 2025-05-20 flower