v. phr. , slang To have all your understanding; be reasonable. Usually used in the negative or conditionally. Mike acts sometimes as if he didn't have all his buttons. He would not go to town barefooted if he had all his marbles.
HAVE ALL ONE'S BUTTONS
Meaning of HAVE ALL ONE'S BUTTONS in English
American idioms English vocabulary. Английский словарь американских идиом. 2012