sling (one's) hook

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sling (one's) hook

To go away; to vacate some place. He told them to sling their hook after he found out they'd been drinking on the job.
See also: hook, sling

sling your hook

BRITISH, OLD-FASHIONED, INFORMAL
If someone tells you to sling your hook, they are telling you to go away. One woman shouted to reporters `Sling your hook if you know what's good for you'. If Ruddock doesn't want to be part of this team then he should sling his hook. Note: The `hook' in this expression may be a ship's anchor, which had to be taken up and tied up with ropes or chains, which were called a sling, before the ship could move on.
See also: hook, sling