Yerk

• (v. t.) To throw or thrust with a sudden, smart movement; to kick or strike suddenly; to jerk. • (n.) A sudden or quick thrust or motion; a jerk. • (v. i.) To move a quick, jerking motion. • (v. t.) To strike or lash with a whip. • (v. i.) To throw out the heels; to kick; to jerk.
Found on http://thinkexist.com/dictionary/meaning/yerk/

Yerk

Yerk intransitive verb 1. To throw out the heels; to kick; to jerk. « They flirt, they yerk , they backward . . . fling.» Drayton. 2. To move a quick, jerking motion.
Found on http://www.encyclo.co.uk/webster/Y/4

Yerk

Yerk noun A sudden or quick thrust or motion; a jerk.
Found on http://www.encyclo.co.uk/webster/Y/4

Yerk

Yerk transitive verb [ imperfect & past participle Yerked ; present participle & verbal noun Yerking .] [ See Yerk .] 1. To throw or thrust with a sudden, smart movement; to kick or strike suddenly; to jerk. « Their ...
Found on http://www.encyclo.co.uk/webster/Y/4

yerk

to draw tight; to bind
Found on http://phrontistery.info/y.html
No exact match found