USNeedhint USFri, Aug 14

Same answer, sharper copy.

Today's Slang

Today's Slang

The group chat drops a phrase and everyone acts like it has been obvious forever. Today's first clue: Not a red flag, just oddly specific behavior.

HintsOne answer

Hints

1Not a red flag, just oddly specific behavior.
Which phrase fits the hints?
Open all hints before choosing.