Vodka Red Bull
any other energy drink is named Red Bull when mixed with vodka!
can be declined: double VRB, triple VRB, etc.
wow! VRBs are only $2 here! let's get wasted!
A "very reasonable boner".
i.e. the opposite of a NRB
While filming a shaving gel commercial I got a huge VRB cause this babe was rubbing my face.