The most common and most likely answer to this crossword clue is the 9 letter word GIBBERISH
I've seen this crossword clue in Financial Times
G
I
B
B
E
R
I
S
H
More clues leading to the result GIBBERISH
- Big Herb is relaxing in bunk
- Husband and father, born great, overthrown? There's no sense in it
- Maybe a bit like someone sneering about book that's hard to understand
- Husband, father, British and fat, put about nonsense in speech
- Sigh woefully about bribe, confounded nonsense
- Rib with gibes about Henry’s bull
- Over-large herb is malformed? Nonsense!
- Moving north, husband and dad start to breed whopping rhubarb
- Beg Irish somehow to accept British nonsense
- Turned over great herbs I mixed? Nonsense!
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 GIBBERISH mean?
GIBBERISH noun- Speech or writing that is unintelligible, incoherent or meaningless.
- Needlessly obscure or overly technical language.
- A language game, comparable to pig Latin, in which one inserts a nonsense syllable before the first vowel in each syllable of a word.
- Unintelligible, incoherent or meaningless