I think people use them on the forum for anonymity mainly, but in real life I'm sure some people use them.
To me, it's hiding behind a false ego you created to give you an extra boost of confidence. "Jim" may not be able to pull girls, but "SexyOne" may?
I don't know, I think using an alias in real life is fucking stupid. If what you are spitting is so stupid that you have to hide behind a fake name, you aren't doing it right. Online is one thing, we all have reputations to protect for different reasons. In person I think it's kind of childish.
As with using the verbiage in real life. I have NEVER asked my friends if they want to go "sarging."
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