Sentence:  I said, “Uncle, how would you like to be up in that airplane?” / He said, “No, sah, I never wants to be higher than picking peaches and no lower than <WSD>grabbling</WSD> goobers.” 
Meaning of the word marked with <WSD> tags:  To pull, lift or dig (something) ("out" of the ground) by searching with one's hands and fingers.<ref>B. W. Green, "Virginia Folk-Speech," Richmond, 1899, p.(nbsp)166: “Grabble, "v." To dig out of the ground with the hands.”[https://archive.org/details/wordbookofvirgin00gree]</ref>