1. Pertaining to the atomic nukulus
2. Pertaining to a weapon typically made out of "yew-ray-nee-um," what blows up real good, an' done half near kill the whole goddamn planet!
Jimmy: We did science, Grammaw. We done learned all about the Creation, and even sumthin' about this little bitty thing called the atomic nukulus.
2) "Saddam Hussein recently sought large quantities of uranium from Africa, so he could cook him up a mess of nukular bombs for to blow up the whole Godly nation of Texas." -Dubya