To "go to Finsbury Park" means to go all the way on a first date. It is implied that kissing, cuddling, conversation, dinner, touching, oral sex, spanking, reading and skinny-dipping are all skipped in favour of full-blown, uninhibited sex.
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".