Full Of Beans Meaning

Example : 1919, P. G. Wodehouse, "The Aunt and the Sluggard" in My Man Jeeves:  "What do you mean by the expression 'Bucks you up'?"  "Well, makes you full of beans, you know. Makes you fizz."  "I don't understand a word you say. You're English, aren't you?"2006, Karen Thomas and Lindsey Arkley, "World mourns 'Crocodile Hunter'," USA Today, 6 Sep. (retrieved 6 Nov. 2008):  Irwin's friend Chris White reflected on a friendship that began in 1975. . . . "Full of beans, full of life, gung-ho, fearless, tenacious at anything he attempted."2010, Yvonne Lindsay, For the Sake of the Secret Child, page 68:  "The antibiotics are working a treat and he's full of beans. Too many beans, actually. He's asleep now." She gestured to the chaos of the sitting room.