What is a slang word for good nothing?

There isn't a widely recognized slang word for "good nothing." It's a bit of an unusual phrase, and there isn't a common way to express that concept in slang.

However, depending on the context, you could consider some alternatives:

* For something unimportant or pointless:

* Nuthin': This is a common slang term for "nothing."

* Bupkis: This slang word means "nothing" or "absolutely nothing."

* Nada: This word means "nothing" and comes from Spanish.

* Zippo: This slang word is a play on the name of a brand of lighter, implying "nothing" or "zero."

* For something that is slightly good but ultimately insignificant:

* Meh: This word expresses mild indifference or disappointment.

* So-so: This phrase describes something that is neither good nor bad.

Ultimately, the best way to express "good nothing" depends on the specific situation and the desired tone.