The most common and most likely answer to this crossword clue is the 7 letter word CRASHES
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Buddy explains!
The straight part
We know that "makes a loud noise" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case makes a loud noise = crashes.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 CRASHES mean?
CRASHES noun- A sudden, intense, loud sound, as made for example by cymbals.
- An automobile, airplane, or other vehicle accident.
- A malfunction of computer software or hardware which causes it to shut down or become partially or totally inoperable.
- A sudden large decline of business or the prices of stocks (especially one that causes additional failures).
- A comedown from a drug.
- (collective) A group of rhinoceroses.
- To collide with something destructively, fall or come down violently.
- To severely damage or destroy something by causing it to collide with something else.
- (via gatecrash) To attend a social event without invitation, usually with unfavorable intentions.
- To accelerate a project or a task or its schedule by devoting more resources to it.
- To make or experience informal temporary living arrangements, especially overnight.
- To give, as a favor.
- To lie down for a long rest, sleep or nap, as from tiredness or exhaustion.
- (hardware) To terminate extraordinarily.
- (hardware) To cause to terminate extraordinarily.
- To experience a period of depression and/or lethargy after a period of euphoria, as after the euphoric effect of a psychotropic drug has dissipated.
- To hit or strike with force
- (of a patient's condition) To take a sudden and severe turn for the worse; to rapidly deteriorate.
- To make a sudden loud noise.