
- BLOG
8 English Slang Terms You Need to Know in 2025
- By Harford Institute
Hi Harfordian!
Language evolves quickly, especially on the internet. If you’re learning English or simply want to stay up to date with the latest slang, knowing what Gen Z and young millennials are saying in 2025 can help you sound more fluent and relatable.
Here are 8 popular English slang terms you should definitely learn this year:
Baca juga: 30 Slang Words dari Film dan Series Populer
1. No Cap
Definition: This phrase is used to emphasize that someone is being completely honest or serious.
Example:
“That movie was the best I’ve seen this year, no cap!”
2. Glow Broke
Definition: This describes someone who appears wealthy or stylish but is actually struggling financially.
Example:
“He’s got designer shoes but eats instant noodles every day. He’s totally glow broke.”
3. Vibe Check Failed
Definition: This expression is used when a situation or person feels awkward, uncomfortable, or out of sync.
Example:
“The party was weird… vibe check failed.”
4. Main Character Moment
Definition: This refers to a situation where someone feels like everything revolves around them—often in a positive and empowering way.
Example:
“When I walked in with that outfit? Total main character moment.”
5. Lowkey Flex
Definition: This is when someone brags or shows off, but in a subtle or indirect way.
Example:
“She just said she ‘casually travels to Europe every year’—lowkey flex.”
6. Deadass Rebooted
Definition: This slang emphasizes that a person is being extremely serious or truthful.
Example:
“You think I’m joking? I’m deadass rebooted.”
7. Slaps Different
Definition: This phrase is used to describe something (especially music or food) that feels particularly good or emotionally powerful in a certain moment.
Example:
“That song at 2 a.m.? It slaps different.”
8. Delulu Era
Definition: This term refers to a period when someone is being delightfully delusional—often in a hopeful or humorous way.
Example:
“I think he likes me back… yeah, I’m in my delulu era.”
Why Learn Slang?
Understanding slang helps you connect more naturally in real-life conversations, especially in informal or social media settings. It’s also a fun way to stay culturally updated.
Want to improve your English fluency with real conversations, not just grammar rules?
Join our interactive English-speaking program at Harford Institute!


