Before the 90s
1990s
2000s
2010s
2020s
100

To relax, in a cold way

Chillin

100

My mistake: My _____

Bad

100

Best friend forever

BFF

100

Cool, but maybe also hot

Fire

100

Derived from the word 'charisma'

Rizz

200

Cool or awesome, with an avian flair

Fly

200

To relax, you might take this kind of pill

Chill pill

200

A beginner or novice

Newbie

200

Word used to acknowledge something.
Do you want to make a wager?

Bet

200

A word that doesn't really mean anything. Also, toilet

Skibidi

300

Awesome or cool, not necessarily evil

Wicked

300

To dismiss someone, you might have them talk to this body part

Hand

300

Close platonic friendship between two males

Bromance

300

Word to describe someone who is only interested in mainstream things

Basic

300

Something/someone questionable or dishonest 

Sus

400

Money, as derived from fermentation

Bread (or dough)

400

The best.

All that and a ________

Bag of chips
400

Cool, but also maybe hot

Lit

400

Originated on social media to mark a specific topic

#Hashtag

400

Word used to describe a nice outfit or article of clothing

Drip

500

To leave, but not necessarily with a ball

Bounce

500

Numbers indicating hot gossip

411

500

Someone always pessimistic and negative

Debbie Downer

500

Done perfectly. On point

On fleek

500

Gossip

Tea