The most common and most likely answer to this crossword clue is the 5 plus 4 letter word CREAM SODA
I've seen this crossword clue in The Times
C
R
E
A
M
S
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D
A
More clues leading to the result CREAM SODA
- Something fizzy a comrade’s drunk
- Drink a comrade’s sent flying
- Drinking loads, fish has a drink
- Fizzy drink? In the end large quantity is bottled
- Drink a lot? A doctor will have a turn about that!
- Mixer‘s musical finish covering lots of paper
- Drink in large amounts during music’s ending
- Drink a large amount during musical finale
- Elite revolutionary stirs soft drink
- Somewhat mediocre a.m. — so Dad’s getting a drink
Buddy explains!
The straight part
We know that "Something fizzy" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case something fizzy = cream soda.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.