cut (one) off without a penny
To stop giving money to one, possibly as a result of disinheritance. My parents have threatened to cut me off without a penny once I turn 30, so I really need to find a job. If you continue to fight with your mother like this, she may just cut you off without a penny.
cut someone off without a penny
Fig. to end someone's allowance; to fail to leave someone money in one's will. Mr. and Mrs. Franklin cut their son off without a penny after he quit school. They cut off both of their sons without a penny. We learned, when Uncle Sam's will was read, that he cut off his own flesh and blood without a penny.