RBF
Gen Z SlangDefinition
RBF (Resting Bitch Face): a neutral facial expression that unintentionally looks annoyed, unfriendly, or unapproachable.
Examples
"Sorry if I looked annoyed during the meeting—that’s just my RBF."
"He’s super friendly, but his RBF makes people think he’s upset."
"My RBF scares off strangers even when I’m in a great mood."