know one's shit
Vulgar slang · Filed under K
In a sentence
- She really knows her shit when it comes to coding.
- John knows his shit about cars; he can fix anything that goes wrong.
- Don't worry, Sarah knows her shit as a project manager, she'll make sure everything runs smoothly.
Where it comes from and how it is used
The idiom "know one's shit" is a commonly used expression in American English, particularly in informal and colloquial settings. It is a way of expressing a high level of knowledge or expertise in a particular subject or field. The idiom suggests that the person referred to not only knows a subject, but they know it exceptionally well, in a comprehensive and thorough manner.
Despite its vulgar nature, the idiom has become an established part of American English slang. Its usage has become more widespread in recent decades, particularly in informal conversations, popular culture, and online platforms.
The idiom "know one's shit" can be applied in various contexts to describe different areas of expertise or knowledge. It is not limited to any specific subject or field, allowing for its application in various domains. For example, one could say, "He really knows his shit when it comes to computer programming," to indicate that the person has a deep understanding and proficiency in that particular area.
It is important to be mindful of the context and audience when using this idiom. Due to its vulgar nature, it may offend or be inappropriate in certain situations. Therefore, it is advisable to exercise caution and use discretion when employing this expression.
Neighbouring idioms
Know an earlier use or a better origin story?Tell us.