WordNet
bumper jack
n. a jack for lifting a motor vehicle by the bumper
Usage examples of "bumper jack".
It took some rough work with a bumper jack to get it moving again, and just as we freed the front wheel a purple truck came grinding over the crest and rammed into my rear bumper.
She ran to a bumper jack at the end of the door and pumped the handle: The door came down two inches, with a grinding screech.