A salesman or saleswoman who hang out in hotel lobbies or convention lobbies and offer fellatio in return for a sale. Male lobby lizards tend to be closeted, overweight and unhappy with their lives. While female lobby lizards tend to be confident, hyper-sexual women who will do anything for a sale.
I met a lobby lizard during the techcrunch convention - I ended up buying his software after he traded me use of his body.
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".