Synonyms for slack up
Antonyms for slack up
EXAMPLES FROM THE WEB FOR SLACK UP
But you are not exactly quite the flier at cricket that you are at 'footer,' so you can't afford to slack up now.
The order to ease away the rope or tackle by which anything is held fast; as, "Slack up the hawser."
Slack up the cable of the latter anchor, and heave in on that of the first, until you have the same scope to each anchor.
He was a medical man, past forty, beginning to slack up a little in his elasticity and strength.
A little later the Coyote obviously had to slack up to keep from running away altogether.
Slack up, if you please, and let me have all the line you can, without casting off from your body.