1: A person or persons engaging in one of the mannerisms of being emo through the use of an i-pod.
2: Purposefully avoiding contact with and or removing oneself from people in a place generally ment for socializing.
Person two: Ya, forget it, he's being a total i-mo...
An internet phrase used to safeguard statements from insecure people who will find any way possible to personally attack you while drawing an argument out of nothing, and act as if your opinion were fact, simply to boost their self-esteem that they lack in real life.
Person 2: I would flame you and try to argue your statement, which I would fill with many personal insults to feel better about myself, but you said "IMO", so I can't do that without looking like a retard.