The face a person makes that makes them look as if they are angry, irritated, or depressed, but are usually just relaxing or deeply thinking about something.
"Are you okay, you look pissed"
Yeah, I'm fine, this is just my resting bitch face.
A bitchy alternative to the usual blank look most people have. This is a condition affecting the facial muscles, suffered by millions of women worldwide. People suffering from bitchy resting face (BRF) have the tendency look hostile and/or judgemental at rest.
Wow look at the RBF, You TRY to make a joke but everyone takes it way too seriously because they can’t tell if you’re joking - resting bitch face.