A tumbling mass of pubic hair that accumulates in a heavily used and rarely cleaned bathroom. The grundleweed may then journey to other areas of the house by catching drafts of air and rolling along the ground.
My girlfriend and I were about to get it on when a massive grundleweed rolled into the room and ruined the moment.
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".