yank (v.) Look up yank at Dictionary.com
"to pull, jerk," 1822, Scottish, of unknown origin. Related: Yanked; yanking. The noun is 1818 in sense of "sudden blow, cuff;" 1856 (American English) as "a sudden pull."
Yank (n.) Look up Yank at Dictionary.com
abbreviated form of Yankee, 1778.