Definition of soup up
- soup up an engine
- Some cars souped up with customized engines and suspensions may be uninsurable through standard policies.
- —Consumer Reports
- The ads you've seen are for old cold remedies that have been souped up and given a new marketing spin.
- —Joe and Teresa Graedon
- But she's doing what Kirstein accuses the dilettantes of doing—souping up her performance with ballet stylization.
- —Arlene Croce