verb. (colloquial).—To climb; TO SHIN UP.

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  14[?].  Syr Isenbras, 351.

        He SWARMED VP into a tree,
Whyle eyther of them might other se.

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  1888.  Spectator [Century Dictionary]. SWARMING UP the lightning conductor of a great church to fix a flag at the top of the steeple.

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