Noun
A jacket or short coat; a close waistcoat.
A male gyrfalcon.
Source: Webster's dictionaryTwerking has to end. Not for the ones that look good doing it, but for all the ones that you feel, 'You don't have enough to twerk back there. Your twerkin' look like jerkin.' Ice Cube
Skinny jeans became a staple clothing for young women and men by 2009 with the Jerkin' movement playing a large part in the popularization of skinny jeans. Source: Internet