No manches
/noh MAHN-chess/
An expression of surprise, disbelief, or annoyance, similar to 'No way!', 'You're kidding!', or 'Come on!'.
💡 Understanding the Idiom
🎨 Literal vs. Figurative

Literally, 'no manches' means 'don't stain'.

In practice, it's used to say 'No way!' or 'You're kidding!' when you're surprised.
Key Words in This Idiom:

📝 In Action
¿Viste el final de la película? ¡No manches, qué sorpresa!
B1Did you see the end of the movie? No way, what a surprise!
Mi amigo me dijo que ganó la lotería. Le respondí: '¡No manches! ¿Es en serio?'
B1My friend told me he won the lottery. I replied: 'You're kidding! Are you serious?'
¡No manches! Dejaste las llaves adentro del coche otra vez.
B2Come on! You left the keys inside the car again.
📜 Origin Story
This phrase has a funny origin story. It's what's called a euphemism, which is a polite way of saying something a bit rude. 'No manches' is the family-friendly version of a much stronger Mexican slang expression, 'no mames'. To avoid using the stronger term in polite company, people started saying 'no manches' instead. It sounds similar but swaps the 'rude' word for the harmless word for 'to stain'. Think of it like saying 'fudge' instead of a different F-word in English!
⭐ Usage Tips
Your Go-To for Surprise
Use 'no manches' to react to almost anything surprising, shocking, or unbelievable. It works for good news ('You got the job? ¡No manches!') and bad news ('He crashed his car? ¡No manches!').
Keep it Casual
This is classic slang. It's perfect for friends and casual situations, but you wouldn't say it in a business meeting or to your friend's grandmother. It signals a friendly, informal relationship.
❌ Common Pitfalls
Using it Outside of Mexico
Mistake: "Assuming it's universally understood Spanish slang."
Correction: While many Spanish speakers recognize it from TV shows, it's distinctly Mexican. Using it can make you sound like you're from Mexico. In Spain, they might say 'No me digas', and in other countries, '¿En serio?' is more common.
🌎 Where It's Used
Mexico
Extremely common, used daily by people of all ages, though more prevalent among younger generations. It's a hallmark of Mexican slang.
United States
Very common in Mexican-American communities and areas with a large Mexican population.
Other Latin America / Spain
Widely recognized due to Mexican media (TV shows, movies), but not used natively. Using it might make you sound like you learned Spanish from a Mexican TV show.
🔗 Related Idioms
✏️ Quick Practice
💡 Quick Quiz: No manches
Question 1 of 1
Your friend in Mexico City tells you a crazy story. What's a natural way to show your disbelief?
🏷️ Tags
Frequently Asked Questions
Is 'no manches' a bad word?
It's not a 'bad' word, but it is very informal slang. It's actually a softer, more polite version of a much cruder phrase ('no mames'). Think of it like saying 'heck' or 'shoot' in English. It's fine with friends, but you should avoid it in formal or professional settings.