Know your shit Meaning in English

expression

US

ˈnoʊ/ /ˈjɔɹ/, /ˈjʊɹ/ /ˈʃɪt

NOH yor SHIT

UK

nˈəʊ/ /jˈɔː/ /ʃˈɪt

NOH yaw SHIT

Definition

To be very skilled, knowledgeable, or competent at something. This expression is informal and uses mild profanity.

Usage & Nuances

Highly informal and slightly vulgar; only use among close friends or in casual settings. Suggests both expertise and confidence. Not suitable for professional or formal contexts. Similar expressions: 'know your stuff' (milder), 'be on top of your game'. Can be positive or admiring in tone.

• Spanish: saber lo que haces (vulgar) - estar muy seguro de lo que sabes
• Portuguese (BR): mandar bem (vulgar) - saber muito (gíria) - ser bom no que faz
• Portuguese (PT): ser muito bom no que faz (gíria) - perceber do assunto (vulgar)
• Chinese (Simplified): 很懂行（粗俗）- 真内行（俚语）
• Chinese (Traditional): 很懂行（粗俗）- 真內行（俚語）
• Hindi: अपना काम बहुत अच्छे से जानना (अश्लील)
• Arabic: يعرف ما يفعل (عامية - فظة) - يفهم في مجاله جيدًا
• Bengali: পুরোটা জানা - ভালোই বোঝেন (অশ্লীল, বন্ধুত্বপূর্ণ)
• Russian: шарить - офигенно разбираться (грубо)
• Japanese: めっちゃ詳しい - ガチで知ってる（スラング）
• Vietnamese: rất rành - cực kỳ hiểu rõ (tục, thân mật)
• Korean: 빡세게 잘 알다 - 진짜 전문가다 (비속어)
• Turkish: işin hakkını bilmek - çok iyi bilmek (argo, küfürlü)
• Urdu: بہت اچھی طرح جاننا (غیر رسمی، ہلکی گالی)
• Indonesian: bener-bener ngerti - jago banget (kasar, gaul)

Example Sentences

He really knows his shit when it comes to computers.

basic

If you want advice on cars, talk to Sam—he knows his shit.

basic

She knows her shit in marketing.

basic

Don’t worry, our guide knows his shit—we’re in good hands.

natural

Wow, you really know your shit about wine!

natural

Trust Jamie for this project—she knows her shit.

natural