A.) Energetic. ‘Bean’s used as in the sense of a power source. (Compare to High strung.) “Your son is running all over the house, he sure is full of beans.”

B.) Untruthful. Spouting fake news. Nonsensical. ‘Bean’s used in the sense of a worthless, cheap item. (Compare to Malarky.) “I didn’t believe his excuse, he’s full of beans.”