Gen Alpha slang · Noun
red flag
Meaning
Red flag is Gen Alpha slang for a warning sign in someone's behaviour, used mainly by ages 11–40.
Where it came from
Ordinary English, absorbed into relationship content and then into everything.
Tone check
Serious in intent, usually joking in use.
Used in a sentence
"That's a red flag."
Peak: 2019–2026
Age range: 11–40
Safe for adults to use
Related words
Keep decoding
weak
so funny it has physically drained you
sending it
attempting something reckless with full commitment
mid
mediocre, unremarkable
npc
someone behaving without independent thought
parasocial
feeling you know a creator who does not know you
menace
someone who causes chaos, affectionately
aura
social presence, gained or lost through what you do
yap
to talk far too much