- Sticky mud, mire or filth.
Etymology: Origin unknown.
1997: I"m but a county Surveyor," not really at m" best upon the grand and global type of expedition, content here at home, old Geordie a-slog thro" the clarts " Thomas Pynchon, Mason & Dixon
(context, Geordie, pejorative) A person who is unclean.
(context, Geordie, pejorative) A fool.
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