Top definition
Anybody that you do not like. For some people, a daefum can be someone who is bougie. For others, a daefum can be a racist or an emo. It all depends on the person.
Person 1: "Did you hear about Katie? Her dad bought her a brand new Benz truck!"
Person 2: "Man, Katie is a daefum."

Person 1: "Hey guys, guess what? I just drank half a bottle of anti-freeze!"
Person 2: "Oh my, this stupid daefum needs medical help!"
by Scoops January 03, 2006
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