Chiefly dial. [Goes with CLAMP sb.4] intr. To tread or stamp heavily and clumsily; to clump.

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1808.  Jamieson, Clamp, Clamper, to make a noise with the shoes in walking, especially when they are studded with nails.

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1859.  Thackeray, Virgin., xv. The smock-frocks … clamped out of church quite unconcerned.

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1876.  Whitby Gloss., I gat my teeas [toes] clamp’d on.

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1877.  E. Peacock, N. W. Linc. Gloss., Clamp, to tread heavily.

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