G'ding - A laughable insult that sounds like it was made by a kid who

A laughable insult that sounds like it was made by a kid who still thinks 'poop' is a fancy word.

My friend called me a g'ding because I wore pajamas to school.

My crush said I was a g'ding because I laughed at his joke.

My teacher said I was a g'ding because I didn't do my homework.