Green’s Dictionary of Slang

(Scot.) dancing accompanied by a mouth organ.

1935		(con. 1920s) McArthur & Long No Mean City 13: He heard the sound of a mouth organ. ‘That’ll be the clabber jigging, Johnnie,’ he exclaimed [...] Some fine dancers have been bred in the tenements, though nearly all of them began on the pavement with the clabber jiggings.
1936		K. Mackenzie Living Rough 186: Many dancers who have reached national celebrity have got their first start at the clabber jigging and slum dance halls.