Sling your hook!:
Get lost! Clear off! Out!
To sling / take one's hook:
To make oneself scarce, to beat a hasty retreat.
Examples:
– How was your date?
– Oh, sling your hook Maggie.
– Maggie: Or what?
– Molly: Not a day to press your luck.
If you don't sling your hook this minute, here goes a pewter pot at your head.
Meanings from the English-Bulgarian dictionary:
Sling [sliŋ]:
To throw (with a sling), to hurl.
To suspend, to hang (a hammock, etc.).
To lift with a strap/rope.
Hook [huk]:
A hook, a clasp, a small hook (on a wire button).
A fishing rod (and fig.).
A crescent-shaped tool.
A sickle, a curved knife.
A sharp bend, a turn (of a river), geogr. a headland.
In golf and cricket – a cross stroke, in boxing – a short blow with a bent elbow.
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