A person that sucks cock like it's an Olympic sport. Often found in the locker rooms naked and slapping other men's asses with towels. Sucks for free but if you pay they might let you ram them.
Ryan: I like that guy, he seems like a cock jockey.
Alex: Stop that, you gay cunt.
to bid competitively on user engagements with digital advertisements, can be used as both a noun and verb
Google makes all of its money from companies click jockeying to sell patterned shirts
Greg is a click jockey at a car insurance company, managing their digital marketing efforts