
Casual street slang: Common slang
Get Full LessonPractice pronunciation and master this lesson with smart-repetition via the PrettyFluent App
Key Phrases
やばい
yabai
Awesome or dangerous
まじで?
maji de
Seriously?
いけめん
ikemen
Good-looking guy
Skills You'll Learn
Express emotions
かんじょうをひょうげんする
kanjou o hyougen suru
Ask for confirmation
かくにんをたのむ
kakunin o tanomu
Compliment someone
だれかをほめる
dare ka o homeru
Lesson Vocabulary & Phrases
ヤバい
yabai
Awesome or dangerous
💬 [ヤバい] can swing either very bad or very good depending on context: [ヤバい、遅刻する] means "this is bad," but [この店ヤバい] can mean "this place is amazing."
See breakdown →マジで?
maji de
Seriously?
🇯🇵 [マジで?] is very casual and common with friends. It can sound too blunt in polite situations, where people often soften it instead of using street slang.
See breakdown →ウケる
ukeru
Hilarious
💬 [ウケる] literally comes from "to get a reaction," but in slang it means something is funny enough to make you laugh. You can reuse it for moments too: [それウケる] = "that's hilarious."
See breakdown →ドンマイ
donmai
Don't worry
🇯🇵 [ドンマイ] is casual encouragement after a small mistake or embarrassing moment, like dropping something or messing up in a game. It can sound too light if the situation is actually serious.
See breakdown →ダサい
dasai
Uncool
微妙
bimyou
Not great
💬 [微妙] often means more than just "not great" — it can be a soft, indirect way to say something is awkward, questionable, or not really a yes. You'll hear it as a polite-ish dodge: [それは微妙] = "that's... kind of iffy."
See breakdown →神
kami
Amazing
🇯🇵 Calling something [神] is strong casual praise, like saying it's god-tier. It's common in speech and online, but too slangy for formal situations.
See breakdown →チキる
chikiru
Chicken out
💬 [チキる] is slang built from [チキン] and [る], a common way slang turns nouns into casual verbs. You'll see the same pattern in words like [ググる] for "google it."
See breakdown →ノリノリ
norinori
In high spirits
💬 Repeating a word like this often adds a sense of being full of that feeling. So [ノリノリ] is not just "in the mood" but more like really into it, full of energy.
See breakdown →Learn this vocabulary list the easy way
Get PrettyFluent for smart practice & lasting retention
Similar Japanese Lessons

Complimenting strangers
Giving compliments

Common greetings
Basic greetings

Greeting your neighbor
Basic greetings

Weekend plans
Small talk

The weather
Small talk

Travel plans
Small talk
Get the Full Learning Experience
This lesson is just a preview. Download PrettyFluent to practice pronunciation, roleplay conversations, and master vocabulary with spaced repetition.
Pronunciation Feedback
AI-powered speech recognition to perfect your accent
Spaced Repetition
Retain vocabulary long-term with smart practice
Immersive Roleplaying
Practice real conversations with AI partners
Custom Scenarios
Request lessons tailored to your specific needs
What Learners Are Saying
“Teaching in Osaka and I wanted to connect with my students beyond the classroom. The everyday conversation scenarios made my Japanese feel natural, not textbook-y.”
Mia S., 25, English Teacher
“Moved to Tokyo and the polite vs. casual speech levels were killing me. This app breaks it all down with real scenarios. My coworkers noticed the difference in weeks.”
Kevin Z., 31, Game Developer
“I tried five different apps before this one. The roleplay conversations are what finally made things click. I actually remember what I learn now.”
Sofia R., 31, Marketing Manager