A quarrelsome or contentious person; possibly a variant or intensified form of 'clapperclaw.'
From 'clapper' (tongue/striking) + 'ma' (my, used as intensifier) + 'claw' (scratch/attack). A Scottish or Northern English variant combining elements for emphasis.
Regional dialects sometimes doubled or intensified insults for extra emphasis—clappermaclaw takes 'clapperclaw' and adds a Scottish flavor, suggesting someone who was seriously, impressively contentious.
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