It means that if you are loud and annoying enough, people will do what you want to get you to shut up.
I have heard that Benjamin Franklin was once a baker and pushed his baking cart around to sell his goods. He had a squeaky wheel on his cart and noticing that it drew attention to him and his cart of...
If you mean the invention, idk. But i think wheel means to flirt.
It means that you stick a firecracracker in a cows ear!
It means MEESSED UP. It's a new slang. If someone says " That was greased" It means that it was Messed Up. Haha, Kid these days.