Green’s Dictionary of Slang

(US black) a fool; also used as affectionate term of address.

2000		P. Beatty Tuff 11: Tuffy, my nukka, where you at?
2000		Ebonics Primer at www.dolemite.com 🌐 nucker Definition: a combination of nigga and sucka. someone who is rather wack Example: That boy’s a nucker.