The corollary being, if she slacks off, even a teensy bit, anything that goes wrong is her fault.
There were the bodies of fourteen men, dressed in bloodied djellabahs or in shirts and slacks.
Sitting at the desk was a man in his mid- to late 40s, balding, conventionally dressed in slacks and an Oxford shirt, no tie.
In a tucked-in black t-shirt and slacks, the seemingly average Joe shimmied and shaked to the bassline.
She fell on the ground and grabbed my slacks and said, "Get down, they're shooting."
That evening they changed for dinner, Tom lending a pair of slacks to his brother.
He was on horseback, in slacks and in his shirt-sleeves; to live in one's shirt sleeves is a very common custom this weather.
The Hindu boy was dressed in Western clothes, slacks and a sports jacket.
He was dressed, I believe, in a white T-shirt and slacks, and appeared to me to be in normal condition.
"Of course I shall put in a claim for the slacks," I murmured.
Old English slæc "remiss, lax, characterized by lack of energy, sluggish, indolent, languid; slow, gentle, easy," from Proto-Germanic *slakas (cf. Old Saxon slak, Old Norse slakr, Old High German slah "slack," Middle Dutch lac "fault, lack"), from PIE root *(s)leg- "to be slack" (see lax).
Sense of "not tight" (in reference to things) is first recorded c.1300. As an adverb from late 14c. Slack-key (1975) translates Hawaiian ki ho'alu. Slack water (n.) "time when tide is not flowing" is from 1769. Slack-handed "remiss" is from 1670s. Slack-baked "baked imperfectly, half-baked" is from 1823; figuratively from 1840.
early 14c., "cessation" (of pain, grief, etc.), from slack (adj.). Meaning "a cessation of flow in a current or tide" is from 1756; that of "still stretch of a river" is from 1825. Meaning "loose part or end" (of a rope, sail, etc.) is from 1794; hence figurative senses in take up the slack (1930 figuratively) and slang cut (someone) some slack (1968). Meaning "quiet period, lull" is from 1851. Slacks "loose trousers" first recorded 1824, originally military.
"coal dust," mid-15c., sleck, of uncertain origin, probably related to Middle Dutch slacke, Middle Low German slecke "slag, small pieces left after coal is screened," perhaps related to slagge "splinter flying off metal when it is struck" (see slag (n.)).
1510s, "to moderate, make slack," back-formed from slack (adj.) after the original verb veered into the specialized sense of slake. Meaning "be remiss, inactive or idle, fail to exert oneself" is attested from 1540s; current use is probably a re-coining from c.1904 (see slacker, and cf. Old English slacful "lazy," sleacmodnes "laziness"). Related: Slacked; slacking.
A period of inertness or decreased activity: He'd pulled his weight long enough to get some slack/ a channel surfer trapped in his own den of slack (1851+)
: Witness the 40,000 or so Americans here now, a lot of them teaching English or just slacking, drinking 50-cent beers in the pubs, grooving to acid jazz at the Roxy