To tighten something that is slack so that it is taut. / To do work that would otherwise be left undone. / To provide extra needed resources.

simple past tense of take up the slack

present participle of take up the slack

past participle of take up the slack

Third-person singular simple present indicative form of take up the slack

Third-person singular simple present indicative form of pick up the slack

simple past tense and past participle of pick up the slack

present participle of pick up the slack

To tighten something that is slack so that it is taut. / To do work that would otherwise be left undone. / To provide extra resources that are not met by normal sources.

Alternative form of cut someone some slack