1. An exstremely unattractive or "undateable" guy
2. Someone that one must avoid flirting with at all costs
3. Male who tends to spend most timealone on the computer 4. Opposite of a jackaroo
Girl #1: Eww! Rachel check out that jillaroo!
Girl #2: Yea Kaitlin, he's totally undateable!
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".