The most common and most likely answer to this crossword clue is the 4 letter word WHAM
I've seen this crossword clue in The Guardian
W
H
A
M
More clues leading to the result WHAM
- Hit Western with bad actor
- Group of players briefly playing at the Olympic Stadium
- Hit for George Michael et al
- Exclamation suppressed by William, George and Andrew?
- Mother returns initially half of what they gave us last Christmas
- Football team shortly to make a great strike
- Hit wicket — clumsy!
- Starts to wonder how Andrew made pop group with George
- Hit for pop duo
- Glasgow’s latest amateur band
Buddy explains!
The straight part
We know that "Group" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case group = wham.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 WHAM mean?
WHAM noun- A forceful blow
- The sound of such a blow; a thud
- To strike or smash (into) something with great force or impact