specifically, a piece of green lint on a white sweater would be a derber. a piece of white lint would not be. a booger on a newspaper would be. a booger in your nose would not be.
A slang term that describes a person who is being an idiot, fool, and/or absolute and utter dust. Deeder can also replace common words to add flavor and swag points. It is mainly used by those who wish to maintain their dominance as alpha male of the tribe but is beginning to trend among the general population.
"Who wears socks with Crocs, what a deeder!"
"I deedered and wore Crocs today"
Marcel was deedering hard and decided to wear Crocs.