Clag definition
(Railway slang) Unburned carbon (smoke) from a diesel locomotive or multiple unit.
noun
(Racing slang) Bits of rubber from tires collecting along the circuit.
noun
1725: Edward Taylor, Preparatory Meditations.
Can such draw to me/My stund affections all with Cinders clag'd.
verb
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To stick, like boots in mud.
verb
Origin of clag
- Scandinavian: klag: mud
From Wiktionary