The most common engineering major at any polytechnic university. For all those men (and/or women...you know who you are, my ladies in plaid!) who can actually get some in a school full of nerds and untouched twat.
A way of fixing something without doing it in the traditional, proper manner. WD40, gaffer tape or a hammerwill fix almost anything. The war cry of the chengineer is: "If in doubt, give it a clout"
A hardo is a person who tries extremely hard at everything. Most times a hardo will try very hard at things that do not require excessive effort. For example, sports practices, gym class, etc.
Wow did you see Jack at practice today? What a hardo!