have to spare

have (something) to spare

To have enough of something that one is able to use or share with others. I've got some time to spare, if you'd like help with that math problem. You should ask Tom; I know that he's got money to spare.
See also: have, spare

have something to spare

Fig. to have more than enough of something. Ask John for some firewood. He has firewood to spare. Do you have any candy to spare?
See also: have, spare