Condescending geek speak for suggesting that your power cord is unplugged. Used to make people with social lives to feel as though they've been bested by a being whose diet consists primarily of Cheetos and Mountain Dew.
User: My computer won't turn on.
IT Guy: Perhaps it's a PEBKAC error, or your AC cable may be experiencing atmospheric impedance.
User: Atmos...? Ooooh! Heh, very clever. I'll have to share that one with my hot girlfriend.
The quality, state, or an instance of being insulting or grossly lacking in respect.
Girl 1> Your outfit is whack.
Girl 2> First of all don't ever say whack (you can't pull it off) and second of all your impudence means nothing coming from a stuck up hoe like yourself.
A measurement (in Ohms) of how much an electricalcircuit pushes back when it's pushed.
The phone/phono jack input to an amp is usually a high-impedence circuit. It will not allow a high amount of current to flow into the amp. Woofers on the other hand are low-impedence devices which allow a large current flow from the amp to provide a massive amount of power to the people...unless you push too much and smoke em.