As of July 16th 2010, the word "dun goofin" is a cuss word.
It can be used as substitute for fucking.
This term came to be from some wannabe scene slut, Jessi Slaughter (kerligirl13), on crying on Youtube, because everyone on tumblr started to troll on her for being such a bitch. Her father, who is to blame for his daughter, shouted "you done goofed" at us as he threated to call the cyber police on us.
I’M TRYING TO WATCH MY DUN GOOFIN’ TV SHOWS BUT THE DUN GOOFIN’ NEIGHBORS ARE DUN GOOFIN’ REALLY LOUDLY NEXT DOOR!!
When you get a new disc and have no clue how it’s going to fly you let your card mates know your shot could go any which way by saying new disc goofin’.
Someone who is addicted to obtaining money and building wealth. A money addict and fanatic. Breadheads often work more than one full-time job, and some even participate in illicit activities to "obtain the bread".