A German progressive rock band.
Tool- I know the pieces fit
Look it up on YouTube
n: Someone smart, infinitely persistent, and ultimately certain to succeed. Often used as a backhanded insult, the term is secretly an honorific.
v: to study insanely, especially if the weather's good.
Of course you finished that jurassic problem set. You're such a tool!
A guy who cares what others wear on a flight.
Some guy just commented on what I'm wearing - what a tool.