(noun): The act of being a tool, or, in other words, ignorantly acting on the behalf of, or behaving a certain way in order to please others at the expense of one's own self-benefit, morals, and/or integrity. This includes acting, talking, and dressing in a certain manner to impress others and/or pretending to be something one isn't.
Tool: Dude, I did everythingthe cool kids told me to do to be popular, but they still ignore me. What do I do?
Chill Friend: Just keep the toolage to a minimum, and all will be well.
Under the tutelage of Dick Cheney and Condoleezza Rice, George W. Bush destroyed the civilized world and initiated a clash of civilizations that will last for the next five hundred years.
"Hey man! Did you bring some toolage for the drive?"
"Bat Out of Hell is an example of supreme toolage."
"I was walking down the street and listening to some tools."