When you are just focused on one thing with the music blaring at maximum volume and someone just happens to want to talk to you. You have no ideawhat the hell is going on when you look at the person. A blank moment of chaos and confusion and down right WTF?!?!. That, ladies and gentlemen is called an iMoment.
Teacher: Jim, whats the answer to this question.
Jim: <ipod blaring>
Teacher (raised eyebrow): Jim?
(Jim looks at the teacher)
<iMoment>
Jim(shouts): WHAT?!
Any of two or more chemical compounds, such as propyl alcohol and isopropyl alcohol, having the same molecular formula but different structural formulas.