When someone is driving down a road (usually slow, but not always the case), and they are driving right down the middle of the dashed line, thus "eating the dots" and earning the name pacman-in' it. This is normally not a good thing, contrary to the greatness that is Pac-man the arcade game.
"God, the stupid old bitch in front of us is going 25 miles an hour and pacman-in' it."
Alfred: Yea dude, Tommy was friggin Pacman Jones'ing It up. He ended up pissing Stacy's BF off and he got beat down. Then he got arrested to top it off.
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".