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A computer techie who doesn't have basic intrapersonal skills. An indidual who is so lacking in social skills that he or she doesn't even recognize what consititues proper or kind behavior.
"Ian is such a cachebag...he never buys lunch"
"Wow! Can you believe the cachebag with Valerie He thinks it's cool to make armpit noises when he sees her mama."
by David Penney February 04, 2008