The most common and most likely answer to this crossword clue is the 7 letter word WAFFLED
I've seen this crossword clue in Independent
W
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More clues leading to the result WAFFLED
Buddy explains!
The straight part
We know that "went on too much" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case went on too much = waffled.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 WAFFLED mean?
WAFFLED verb- To smash.
- (of birds) To move in a side-to-side motion and descend (lose altitude) before landing. Cf wiffle, whiffle.
- To speak or write vaguely and evasively.
- To speak or write at length without any clear point or aim.
- To vacillate.
- To rotate (one's hand) back and forth in a gesture of vacillation or ambivalence.
- Having a waffle-like pattern of intersecting creases.