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 nickname for someone who is really happy, we are all made of Atoms and by using this nickname to someone, it will tell them that they are an individual!
Hey, look over at that girlover there, isn't she just a CheeringAtom?