The most common and most likely answer to this crossword clue is the 7 letter word HONKING
I've seen this crossword clue in The Guardian
H
O
N
K
I
N
G
More clues leading to the result HONKING
Buddy explains!
The straight part
We know that "Whiffy/as a goose may be" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case whiffy/as a goose may be = honking.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 HONKING mean?
HONKING verb- To use a car horn.
- To make a loud, harsh sound like a car horn.
- To make the vocal sound of a goose.
- To vomit: regurgitate the contents of one's stomach.
- To have a bad smell.
- To squeeze playfully, usually a breast or nose.
- Emphatically or impressively big; really big.
- Used as an intensifier
- Very; tremendously.
- A sound that honks.
- Having a bad smell.