Your face when someone did something stupid and you disapprove forever and ever and always. Basically proving how much of a mother fucking bitch you are with an expression.
Oh my god, that girl is such a slut.” She said, keeping her RESTING BITCH FACE.
by Go Fu<k Yourself April 12, 2018
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An acronym for Snotty Bitch Face. SBF is a play on SPF, sun protection factor, indicating the magnitude of a woman's hotness and bitchiness. SBF ranges in values similar to sun block ~ 0 - 50, 50 being the hottest, bitchiest woman possible.
Man, check out that bleach blonde with the pointy nose in the Mercedes; she's an SBF 45! ... SBF (snotty bitch face) ...
by SBF50contol May 12, 2013
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A female, who is usually hot, who's face looks like she's a prissy bitch.
"That bitch over there with resting bitch face (RBF) needs an oral cream pie!"

Meagan Good and Lacey Chabert are perfect examples of RBF
by Coach Jerry April 11, 2019
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a long fuckin burn that schools the shit out of any dis you get.
Bully: "Hey gimme some money lil bitch."

little bitch: "No u give ME some money ya mother fuckin' titty suckin' two ball bitch with flat granny boobs, face full of testicles, a ping pong pussy and a 2 inch crooked rubber dick with no balls or hair."

mother fuckin' titty suckin' two ball bitch with flat granny boobs, face full of testicles, a ping pong pussy and a 2 inch crooked rubber dick with no balls or hair:
"Shut up. JUST SHUT UP. (runs away crying)"
by Joey Jordison April 3, 2007
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Bitch Face Sprung or BFS is when you are inexplicably attracted to and consequently aroused by women with intense resting bitch face or an outwardly cold demeanor.

These men often find great pleasure in the pursuit and sexual conquering of these cheerless and uninviting women.
James: I don't know what it is about Caitlin, but I love fucking the attitude out of her and changing her Resting Bitch Face into a smile.

Michael: man, you're always Bitch Face Sprung.
by Solidus84 February 3, 2023
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