I love made-up terms, whether or not they're close to the original definition. Anytime we had a customer that was just fishing (the ones with no money, no brains, and no idea about technology), we pulled out a few homemade terms:

Turbo Mega-Quad
clearly some kind of advanced technology

Pentinnyum or Admantium
the newest processor

The On-Die Cast
A shock absorber for your processor


These usually got a pretty good smirk from any other techs or salesmen that were nearby.

We've all heard some great ones from customers: PCU, PDU, CDU (CPU); the screen saver/background confusion, kilo/mega/giga interchanging, etc.

What other made-up terms have you heard from customers or made up yourself?

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"uhm...I'll be over there...in the corner near the rocket launcher spawn point, m'kay?" *grin*