G.E.D.

From Rap Dictionary

noun

G.E.D.

G.E.D. is 'General Educational Development', it is a test through which adults can certify that they possess the major and lasting outcomes of a traditional high school education. In other words, you can get your G.E.D. instead of going to high school. "I'm the richest nigga you know without a G.E.D." -- 50 Cent

External references

• Official site

Slang term is Good Enough Diploma.

Chris Rock says it stands for "Good Enough Degree."

Also, used as an insult, means Get an Education Dummy.