IT pron.
As an indefinite object after some intransitive verbs, or after a substantive used humorously as a verb; as, to foot it (i. e., to walk). The Lacedemonians, at the Straits of Thermopylæ, when their arms failed them, fought it out with nails and teeth. Dryden. Whether the charmer sinner it, or saint it, If folly grows r…