Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
crap out
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "crap out" is correct and usable in written English, but it is considered informal and should be used with caution in formal writing.
"Crap out" means to fail or stop working suddenly. Example: "My laptop crapped out just as I was finishing my essay, so I had to rewrite the entire thing."
✓ Grammatically correct
News & Media
Alternative expressions(10)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
56 human-written examples
I crap out on Final Jeopardy, losing a new Corvette and $12,000 in the process.
News & Media
My HDD is going to crap out soon.
News & Media
"Just pass the crap out," he said two hours in. .
News & Media
"We thrashed the crap out of them.
News & Media
He scared the crap out of me".
News & Media
TRUMP: Knock the crap out of them.
News & Media
It annoys the crap out of me".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
4 human-written examples
Donald Trump has crapped out some logo porn.
News & Media
"Monaco craps out," reads the front page headline.
News & Media
APP's public holders will have crapped out a $75 million bet.
News & Media
Like most of the players before me, I crapped out without busting a single line.
News & Media
Expert writing Tips
Best practice
When using "crap out" to describe a machine's failure, emphasize the suddenness of the breakdown. The phrase implies an unexpected and often inconvenient cessation of function.
Common error
Avoid using "crap out" in formal writing or professional communication. Its informal nature can detract from your credibility and may be considered unprofessional. Opt for alternatives like "fail", "malfunction", or "break down" in these situations.
Source & Trust
89%
Authority and reliability
3.9/5
Expert rating
Real-world application tested
Linguistic Context
The phrasal verb "crap out" functions primarily to describe the sudden cessation of function or failure of a device, plan, or endeavor. It's an idiomatic expression where the meaning isn't immediately obvious from the individual words. Ludwig provides examples illustrating its use in News & Media.
Frequent in
News & Media
60%
Science
20%
Formal & Business
10%
Less common in
Academia
5%
Encyclopedias
3%
Wiki
2%
Ludwig's WRAP-UP
In summary, "crap out" is an informal phrasal verb that means to suddenly fail or stop working, often unexpectedly. Ludwig AI confirms its grammatical correctness, but it's important to reserve its usage for casual settings due to its informal and slightly vulgar nature. When writing formally, consider more appropriate alternatives like "fail" or "malfunction". Its usage is most frequent in News & Media, as shown in Ludwig examples. Understanding these nuances will help you use "crap out" effectively and appropriately.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
break down
Specifically refers to a machine or system ceasing to function properly.
give out
Implies ceasing to function due to wear or strain.
stop working
A straightforward description of something ceasing to function.
fail
This is a general term for not succeeding. It's less informal than "crap out".
go wrong
Indicates a problem or error has occurred.
malfunction
A more technical term for failing to work correctly.
peter out
To gradually decrease or fade away before coming to an end.
cease to function
A formal way of saying something has stopped working.
fall through
Used when plans or agreements fail to materialize.
come to nothing
Indicates a lack of success or a failed outcome.
FAQs
What does "crap out" mean?
"Crap out" means to suddenly stop working or fail, especially of a machine or plan.
Is it appropriate to use "crap out" in professional settings?
No, "crap out" is considered informal and is best avoided in professional or formal contexts. Use alternatives like "fail" or "malfunction" instead.
What are some synonyms for "crap out"?
Synonyms include "break down", "give out", and "stop working", depending on the specific context.
How can I use "crap out" in a sentence?
You can say, "My car "crapped out" on the way to work," or, "The deal "crapped out" at the last minute."
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
89%
Authority and reliability
3.9/5
Expert rating
Real-world application tested