noun - a jerk, a dick. So repugnant in words, acts and/or deeds, that they are only good enough to hide in moist, dank nasty places. Worse than your average dick-head.

the thing that you don’t have when you’re phones percentage is over 20

An insult for a particularly idiotic person. It is as its best if you add Fucktard before it; Fucktard Twatnozzle.

The Fucktard at the beginning adds emphasis.

Twatnozzle also refers to the opening of the vagina.