What are the most common slang words used in everyday?

It's impossible to list *all* the common slang words used in everyday language, as slang varies widely depending on region, age group, and subculture. However, here are some general categories and examples of slang that are commonly used in informal settings:

General Slang:

* Awesome: Excellent, amazing, great

* Chill: Relaxed, calm, cool

* Cool: Good, enjoyable, fashionable

* Dope: Excellent, great, impressive

* Epic: Amazing, unforgettable, awesome

* Lit: Exciting, fun, amazing

* Sick: Cool, amazing, impressive

* Sweet: Good, enjoyable, pleasant

* Tight: Good, excellent, awesome

* Wicked: Cool, awesome, amazing

For Agreement/Affirmation:

* Yeah: Yes

* Yup: Yes

* Nope: No

* Bet: Okay, I understand

* Right on: I agree

* Word: I agree, I understand

* For sure: Definitely

* No doubt: Certainly

For Disagreement/Negation:

* Nah: No

* Nope: No

* Not really: Not quite

* I dunno: I don't know

* Whatever: I don't care

* Meh: I'm indifferent

For Expressing Emotion:

* OMG: Oh My God

* WTF: What The Fuck

* LOL: Laugh Out Loud

* ROFL: Rolling On Floor Laughing

* GG: Good Game

* BRB: Be Right Back

* AF: As Fuck (intensifier)

* IYKYK: If You Know, You Know

For Describing People/Things:

* Bruh: Bro, dude, guy

* Boo: Boyfriend/Girlfriend

* Bae: Baby, sweetheart

* Squad: Group of close friends

* Low-key: Secretly, subtly

* High-key: Openly, obviously

* Extra: Over-the-top, dramatic

* Shady: Suspicious, untrustworthy

* Lit: Excited, fun, amazing

Remember: Slang is always evolving. The most popular words can change quickly, and new ones are constantly emerging.

To get a better sense of what's common in your area, pay attention to what people around you are saying!