yanker

plural yankers

1. Someone who yanks, or gives a sudden hard pull

   He's a yanker of braids, a tousler of bangs […]

   1991, Lindsley, The Prospect of Detachment, page 62

2. ScotlandA brazen lie

   "Ay, billy, that is a yanker !" said Tam aside : " When ane is gaun to tell a lie, there's naething like telling a plumper at aince, and being done wi't

   1822, James Hogg, The Three Perils of Man, page 330

3. Someone who pranks someone, who yanks chains, such as with crank calls.