put one’s foot down—(coll.)
1. take up a firm stand on an issue:
- One of the best things Pope John Paul II has done is to put his foot down about women priests.
2. (also: put one’s foot on it) accelerate when driving a car:
- I put my foot down and the Zephyr gathered speed up the slope.
put one’s foot to the floor — = put one’s foot down 2:
- Jerome jerked the steering wheel hard while putting his foot to the floor.
See also: get one’s feet under the table / put one’s feet up.