1. A non-existant technical word used when someone is speaking too techniaclly and you wish to throw a word back that throws them or shows them they are talking too technically
2. You wish to fool someone who hasn't got a clue into thinking that you know your stuff so you throw it into the conversation to see if they act as if they know what you just said
John: The motherboard uses DDR2 RAM
Baz: What does the Quasitrifibrilator do?
John: I'm sure its just a loose lead on the KM7-D circuit.
Baz: Have you checked the Quasitrifibrilator?