RBF

This is the abbreviation for "Really Bout to Fight."

Wow... they're RBF right now!

by Smiley 777 May 26, 2016

RBF

Runner behind Fred

Wow! Who’s that RBF? They are catching up to him!

by Pantyripper69 March 27, 2022

rbf

resting bitch face

When your face makes you look like a huge bitch!

She was nice but had an rbf that made her look like an asshole

by jennasea June 30, 2017

RBFS

Resting Bitch-Face Syndrome. When a woman seems like she's always crampy and full of shit even when she's just sitting down doing nothing and resting, thinking about good times.

A- "That woman just gave me a death stare."
B- "Nah, that's her normal face. She's got RBFS."

by Carlo89 June 9, 2015

Rbf

Resting bitch face- many use by girls who have a mean or bitchy resting face and frequently asked if their mad

Omg she looks so mean she actually is not she does got rbf

by Bella015 September 18, 2019

Rbf

Root Beer Float
Best dessert ever invented

Totally doesn’t mean anything else

“I really want a root beer float”

“Oh an RBF? Ya let’s make some!”

by pissjade September 25, 2021

rbf

root beer float

Jack drinks a rbf everyday for more estrogen

by jay195 June 17, 2022