A phrase which, when said about a person, indicates that this person is allocating funds from some public treasury (the government
, their work
, and so forth) for their personal use. Also sometimes said as having one's "hand in the till."
Q: "How can Rod Blagojevich
afford to buy that new yacht?"
A: "Oh, he was known to dip into the till quite often while he was governor of Illinois."
"Stacy got fired from her job as a bartender
because she was caught with her hand in the till."