Bad lighter maybe? Something else hooked into the same circuit and when you use the lighter it overloads the circuit, blowing the fuse? because of where the lighter outlet sets anything you plug in get hit by the shifter check for loose or frayed wires behind it
There is something else in the hole or the retaining clip is bent down causing interference.
A short.
Bad contact somewhere in the cigarette lighter. Check the circuit with a continuity checker device.
Causes include blown fuse and broken wire.
That would be the nicotine in the cigarette. this answer sucks
You got a short somewhere. Might be in the wiring, might be in the element itself. Either that, or you're overloading it.
Tar.
It could be bad. More likely it is the car draining the charge. Check all accessories such as cigarette lighter 12v outlets trunk lights.
Cigarette amoke
Nicotine
nickateen
Over 1,000 different substance all in them