Able to give a lobotomy
To any motherfucker challenging my astronomy

from Tech N9ne (Ft. Busta Rhymes, Ceza, D-Loc, JL B.Hood, Twista, Twisted Insane, U$O & Yelawolf) – Worldwide Choppers Lyrics on Rap Genius

Meaning

Lobotomy is a procedure carried out on people with psychological problems.
He is basically saying anyone who doubts he is an astronomical body(a star in this case) is crazy.

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