subs. (common).—In pl. = overall trousers.
1883. GREENWOOD, Odd People in Odd Places. Unwashed, and in their working SLACKS and guernseys.
2. (pugilistic).—A smashing or knock-down blow. [Jack Slack, champion 1750–60, was known for his powerful delivery.] Also SLACK-’UN: cf. AUCTIONEER and MENDOZA.
3. (colloquial).—A slack time.
1851–61. H. MAYHEW, London Labour and the London Poor, III. 237. When there is a SLACK the merchants are all anxious to get their vessels delivered as fast as they can.
1861. T. HUGHES, Tom Brown at Oxford, II. xxi. Though there’s a SLACK we haven’t done with sharp work yet, I see.
Verb. (common).—To PISS (q.v.): also TO SLACK OFF.
TO HOLD ON THE SLACK, verb. phr. (nautical).—To skulk; to loaf.
