Slang Words 2025: Modern English Slang Guide

English slang evolves constantly. Here are the modern slang words you'll hear in 2025, from Gen Z favorites to social media terms.

Popular Slang 2025

Social Media Slang

• "No cap" — No lie, for real
• "Bet" — Okay, sure, agreed
• "Facts" — True, I agree
• "Slay" — To do something excellently

General Slang

• "Lowkey" — Kind of, somewhat (also "highkey" for emphasis)
• "Vibe" — Atmosphere, feeling, or mood
• "Flex" — To show off
• "Salty" — Upset, bitter

Usage Examples

In Conversation

• "That's facts" — That's true
• "I'm lowkey tired" — I'm kind of tired
• "She slayed that presentation" — She did great

Social Media

• "No cap, that's amazing" — Really, that's amazing
• "Bet, I'll be there" — Sure, I'll be there

Understanding Context

When to Use

• Casual settings: Friends, social media
• Informal: Daily conversation
• Age-appropriate: Know your audience

When to Avoid

• Formal settings: Work, professional
• Academic writing: Not appropriate
• With older people: May not understand

Keep Up with Slang

How to Learn

• Social media: Instagram, TikTok, Twitter
• Conversations: Real people, real usage
• Context: Understand when it's appropriate

Master Modern English

The best way to learn modern slang is through daily conversation. Practice with native speakers, understand context, and learn what's appropriate. Try Parlai and practice English through real conversations, learning natural, current expressions.