Green’s Dictionary of Slang

(UK Und.) to close, to bar.

1865

Leaves from Diary of Celebrated Burglar 65/1: In a moment after the ‘office’ was given, the ‘jigger’ was ‘slewed,’ and barricaded by half-a-dozen of determined ‘guns’ where were resolute that no Jack-the-wrong-man should enter there that night.