The most common and most likely answer to this crossword clue is the 8 letter word TWADDLES
T
W
A
D
D
L
E
S
Buddy explains!
The straight part
We know that "Goes on" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case goes on = twaddles.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 TWADDLES mean?
TWADDLES noun- Empty or silly idle talk or writing; nonsense, rubbish.
- One who twaddles; a twaddler.
- To talk or write nonsense; to prattle.