Green’s Dictionary of Slang

1. to steal, either an object or a person, e.g. a lover.

1988		Ice-T ‘Personal’ 🎵 Your whole crew is jockin’ my beats.
2002		Teen Lingo: The Source for Youth Ministry 🌐 jocking (pronounced ‘Jockin’) 1. Trying to become the girlfriend of a guy. Flirting. ‘Frank! Watch out for that gold diggin’ ho Sabrina; she’s jockin you!’ 2. To copy someone. For example: someone is wearing the same shirt as you, they are ‘jockin’’ you.

2. to copy, e.g. song lyrics.

2002

see sense 1.