buy on time
buy (something) on time
To buy something with the promise of paying for it later, as with a credit card as opposed to cash. I ran out of money at Christmastime and had to buy some presents on time, so I'm dreading my next credit card bill.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
buy something on time
to buy something on credit. Tom: That's an awful fancy TV. Are you sure you can afford it? Jane: I'm buying it on time. I bought the sofa on time, but I paid cash for the chairs.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.