Check the Gen X and Millennial Idioms and then learn the Gen Z and Gen Alpha idioms to be uptodate.

Slang/Idiom	Generation(s)	Meaning
Slay	Gen Z, Gen Alpha	To do something exceptionally well or impressively.
Bet	Gen Z, Gen Alpha	Okay, sure, you got it; an affirmation or agreement.
Low-key	Gen Z, Gen Alpha	Subtle, understated, mild. The opposite of “high-key.”
High-key	Gen Z, Gen Alpha	Obvious, intense, not subtle. The opposite of “low-key.”
Extra	Gen Z, Gen Alpha	Over-the-top, dramatic, excessive.
Flex	Gen Z, Gen Alpha	To show off or boast, often in a playful way.
GOAT	Gen Z, Gen Alpha	Acronym for “Greatest Of All Time.” Used to describe something or someone as the best.
Mother	Gen Z, Gen Alpha	A term of high praise, often for a woman who is admired or iconic.
Ghosting	Gen Z, Gen Alpha	Suddenly cutting off all communication with someone without explanation.
Shook	Gen Z, Gen Alpha	Shocked, surprised, often to the point of being speechless.
No cap	Gen Z, Gen Alpha	No lie, for real, truly.
Cap	Gen Z, Gen Alpha	A lie or something untrue.
Sus	Gen Z, Gen Alpha	Short for “suspicious” or “suspect.”
Fire	Gen Z, Gen Alpha	Really good, amazing, cool.
Drip	Gen Z, Gen Alpha	Stylish or fashionable, especially in clothing.
Bussin’	Gen Z, Gen Alpha	Extremely good, especially when referring to food.
Delulu	Gen Z, Gen Alpha	Short for “delusional,” often used playfully to describe unrealistic beliefs or hopes.
Simp	Gen Z, Gen Alpha	Someone who does too much for someone they like romantically, often without reciprocation.
Ick	Gen Z, Gen Alpha	A feeling of disgust or sudden turn-off towards someone.
Cringe	Gen Z, Gen Alpha	Feeling of embarrassment or awkwardness.
Opp	Gen Z, Gen Alpha	Short for “opposition” or enemy.
Savage	Gen Z, Gen Alpha	Bold, daring, or ruthless. Can be used as a compliment.
Tea	Gen Z, Gen Alpha	Gossip or juicy information. “Spill the tea” means to share the gossip.
Hits different	Gen Z, Gen Alpha	Feels unique, special, or particularly impactful.
OG	Gen Z, Gen Alpha	Short for “Original Gangster,” used to refer to someone who is experienced or an original in a certain area.
Rizz	Gen Z, Gen Alpha	Charisma, romantic appeal, the ability to flirt successfully.
Gyatt	Gen Alpha	A slang term used to express strong excitement or admiration, often for someone’s physique.
Sigma	Gen Alpha	Often refers to a popular, independent, and sometimes dominant person.
Skibidi	Gen Alpha	A nonsensical term popularized by a YouTube series; can mean something weird, bad, or cool depending on context.
Fanum tax	Gen Alpha	Jokingly taking a portion of someone’s food.
Mewing	Gen Alpha	A purported facial exercise to enhance the jawline; sometimes used humorously to avoid answering.
Ohio	Gen Alpha	Used to describe something as weird, strange, or unusual, based on a meme.
Brain rot	Gen Alpha	Mental exhaustion from consuming too much low-quality online content.
It’s giving…	Gen Z, Gen Alpha	Used to describe the vibe or feeling that someone or something exudes.
Pookie	Gen Z, Gen Alpha	A term of endearment for someone loved.
Dude	Gen X	A casual term for a person (often male, but can be gender-neutral). Can also express surprise or excitement.
Whatever	Gen X	An expression of indifference or dismissal.
Chill	Gen X	Relaxed, calm, or to relax.
Lame	Gen X	Uncool, boring, or weak.
Dope	Gen X	Cool, awesome, excellent.
Fresh	Gen X	Cool, stylish.
Gnarly	Gen X	Originally meant challenging or dangerous (surfing slang), but evolved to mean awesome or cool.
Trippin’	Gen X	Acting crazy, foolish, or overly emotional.
As if!	Gen X	An exclamation of disbelief or sarcasm, popularized by the movie Clueless.
Take a chill pill	Gen X	Relax, calm down.
Yuppie	Gen X	(Derogatory) A young, urban professional, often seen as materialistic and ambitious.
Bae	Millennial	A term of endearment for a significant other or someone you like.
Basic	Millennial	Used to describe someone or something mainstream, unoriginal, or overly conventional (often with a negative connotation).
Bet	Millennial	Okay, yes, I agree.
Extra	Millennial	Overly dramatic or excessive.
Goals	Millennial	Something admirable or desirable. Often used as “relationship goals,” “life goals,” etc.
GOAT	Millennial	Acronym for “Greatest Of All Time.”
Humblebrag	Millennial	A seemingly modest statement used to subtly boast about something.
I can’t even	Millennial	An expression of being overwhelmed, often in a humorous or exasperated way.
IRL	Millennial	Acronym for “in real life.”
It me	Millennial	Used for self-identification or agreement with something relatable, often with intentional poor grammar.
Left on seen	Millennial	When a message is read but not replied to.
Low-key	Millennial	Subtle, understated.
High-key	Millennial	Not subtle, obvious, intense.
Slay	Millennial (originated in LGBTQ+ culture)	To do something exceptionally well.
Tea	Millennial (originated in Black/LGBTQ+ culture)	Gossip or juicy information. “Spill the tea” means to share gossip.
Vibe	Millennial	The overall feeling or atmosphere of a person, place, or situation.
Woke	Millennial	Originally meant being aware of social injustices and inequalities. Has evolved and is sometimes used with different connotations.