When one is being given deep throat (hence throat) and at the point of ejaculation unleashes his gear all over the recipients face (cockney rhyming slang for face is boat race). Thus resulting in a bit of throat and boat.
Lee: I copped for some dirty birdlast night!!
Ian: Did you get a shag?
Lee: No, but I got a bit of throat and boat...which was rather pleasant!!!
Ian: The dirty bitch!!!
Someone who is addicted to obtaining money and building wealth. A money addict and fanatic. Breadheads often work more than one full-time job, and some even participate in illicit activities to "obtain the bread".