Gen Alpha slang · Phrase
rent free
Meaning
Rent free is Gen Alpha slang for occupying your thoughts constantly, used mainly by ages 13–30.
Where it came from
Older idiom, revived online around 2020.
Tone check
Teasing.
Used in a sentence
"That song lives rent free in my head."
Peak: 2020–2025
Age range: 13–30
Safe for adults to use
Keep decoding
mewing streak
a running count of days spent mewing
grinding
doing something repetitive to make slow progress
gyatt damn
an exclamation of surprise
s tier
the very best category of something
the ick
sudden irreversible revulsion toward someone
delulu
deluded, usually affectionately
core
a suffix turning anything into an aesthetic
broke boy
a mocking label for someone with no money