a person, usually a girl, who naturally looks mean when her face is expressionless, without meaning to.
Nah, she's just got a resting bitch face, she's actually really sweet
by miisty April 01, 2011
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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.
by Smileitschloe November 23, 2014