You can always say that GFE stands for Girl Friend Experience.
RB as it is at this time
RB means random boner
Rb is not a known indicator for the mineral diamond.
it means right back..
it stands for rubidium.
If you mean RB, then it is Regulus Black.
RB means refined bullion and it's 14K (14 karot) so it's about 50% gold if i'm not mistaken..
Rb is the symbol for the element, rubidium.
R&B is Rhythm and Blues if that's what you mean.
Right Bumber.
Yes , It means it is 41.7% pure or 10k
RB ???