[Cf. prec.] A secret agent.
1682. T. Flatman, Heraclitus Ridens, No. 69. But tis great pity this Scribler be not made an Under-puller in the Work of defending the City-Charter against the King.
1698. Fryer, Acc. E. India & P., 388. Underpullers to these are the Shopkeepers, whose Mercurial Parts are fitted to put off the worst Wares.
a. 1734. North, Examen, II. iv. § 138. For the King is this Ridiculer, and this Fellow, Fitzharris, his Underpuller.