Rbf -

: Neuroscientists using facial-recognition software have found that "RBF" faces show subtle signals of contempt —such as a slightly raised lip or squinted eyes—even when the person feels neutral.

: Research indicates that while both men and women can have RBF, it is disproportionately attributed to women due to societal expectations for them to appear pleasant or "smile more". RBF stands for

In business, RBF stands for , a method for raising capital without giving up equity or taking on traditional debt. RBF stands for