Another word for mouth, as in 'shut your mudtrap'. The similarity between mud and crap could also mean the person is implying that the other person talks through their arse.
The Mustrap is a term used to describe facial hair that starts as merely a simple mustache, but then expands down the side of the mouth in forms of handle bars, and then creates a strap that connects to the hair line (sideburns). The mustrap is rarely seen in hollywood, because only the toughest of men dare to sport the look
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".