When you’re learning English, grammar and vocabulary are only part of the puzzle. If you really want to sound fluent and connect with native speakers, slang expressions are where the real magic happens. But what exactly is slang—and how does it differ from formal or informal English?
In this article, we’ll break down the differences between formal, informal, and slang expressions, introduce you to some of the most common and useful English slang terms, and give you tips to confidently use them like a native.
Understanding the tone or “register” of language is essential when communicating effectively. Here’s a quick breakdown:
Formal English is used in professional, academic, or official settings. It avoids contractions, idioms, and slang.
Example: “I am writing to inform you of the upcoming meeting.”
Informal English is more relaxed and conversational. It’s used with friends, family, and in everyday communication.
Example: “Hey, just wanted to let you know about the meeting.”
Slang is the most casual. It includes creative, playful, or non-standard language that can vary depending on region, culture, or age group.
Example: “Yo, there’s a meetup happening—just a heads-up!”
Why Learn Slang?
Textbooks and classroom lessons can teach you how to form sentences and pass exams—but they rarely prepare you for real conversations with native speakers. That’s where slang comes in.
Understanding slang helps you follow everyday chats, jokes, movies, music, and social media without feeling lost. It gives you a peek into cultural trends and how people actually talk when they’re relaxed and being themselves. More importantly, using slang appropriately can help you feel included in conversations and make your speech sound less robotic and more natural.
Think about it: if you’re hanging out with a group of English speakers and someone says, “That movie was dope,” you don’t want to be the only one checking Google for the meaning. Slang is the bridge between textbook English and how people really speak.
15 Common English Slang Expressions (With Examples)
Here’s a curated list of slang terms that are widely used in everyday English. We’ve included examples to help you see them in action:
1. Hang out – to spend time with someone casually
Example: “Wanna hang out this weekend?”
2. Crash – to fall asleep quickly or stay somewhere unexpectedly
Example: “I was so tired, I just crashed on the couch.”
3. Bummer – a disappointing or unfortunate situation
Example: “You can’t come to the party? That’s a bummer.”
4. Dope – amazing, impressive
Example: “That outfit is dope!”
5. Chill – to relax or calm down
Example: “Let’s just chill and watch a movie.”
6. No biggie – not a problem
Example: “Sorry I’m late.” / “No biggie!”
7. Hit the books – to study hard
Example: “I’ve got finals coming up—I need to hit the books.”
8. Throw shade – to insult someone subtly
Example: “Did you hear how she said that? Total shade.”
9. Flex – to show off
Example: “He keeps flexing his new car on Instagram.”
10. Go bananas – to go crazy (with excitement or anger)
Example: “The crowd went bananas when the band came out.”
11. What’s up? – a casual way to ask ‘How are you?’
Example: “Hey! What’s up?”
12. Epic fail – a big, embarrassing mistake
Example: “He tried to jump the fence and fell—epic fail!”
13. Bail – to leave suddenly or cancel plans
Example: “He bailed on the movie at the last minute.”
14. Savage – bold or brutally honest (in a funny or intense way)
Example: “She called out her boss in the meeting—savage!”
15. Lit – exciting or amazing (often used for events or parties)
Example: “That concert was lit!”
Tips for Learning and Using Slang Naturally
Learning slang doesn’t mean stuffing your vocabulary with trendy words overnight. It’s a gradual process, and the goal is to sound natural—not forced. Here’s how you can ease into it like a pro:
1. Surround Yourself with Native Content
Watch TV shows, movies, YouTube videos, and listen to podcasts where people speak casually. Shows like Friends, Stranger Things, or even reality shows are full of current slang. You’ll hear how phrases are used naturally and in the right context.
2. Practice with Real People
Language exchange apps, conversation clubs, or even chatting with native speakers online can give you firsthand experience using slang in a relaxed way. If you’re unsure how to use a word, just ask. Most people will appreciate your interest in sounding natural.
3. Focus on Context, Not Just Definitions
Slang often doesn’t make literal sense. Instead of memorizing definitions, pay attention to how and when the slang is used. Is the tone serious or funny? Is it used between friends or in a public setting?
4. Start Small and Be Selective
Pick a few slang expressions that you hear often and feel comfortable with. Use them naturally in conversation until they become part of your active vocabulary. Don’t try to use every trendy word at once—it’ll feel awkward, and native speakers will notice.
5. Stay Updated, but Stay You
Slang changes quickly, especially online. It’s fine to keep up with new terms (like “rizz” or “sus”), but don’t feel pressured to use every trending word. Stick to what feels authentic to you.
Slang Is More Than Just Words
Slang isn’t just about sounding trendy—it’s a reflection of real, living language. It captures humor, attitude, and cultural identity in a way formal English can’t. And when used naturally, it can help you build better relationships, show personality, and express yourself more freely.
But remember: the key to mastering slang is knowing when—and where—to use it. It’s perfect for casual conversations, group chats, and hanging out with friends. In formal emails or job interviews? Probably not the best choice.
So take your time, enjoy the process, and don’t be afraid to try out new expressions. Over time, you won’t just speak English—you’ll sound like you truly belong.
