An Australian expression wishing misfortune on the recipient, similar to "eat shit and die". "Jocks" is a general Australian term for underwear, so you are more or less wishing the person an acute attack of explosive diarrhoea.
1960's slang. Jockmeaning "whack" and pies meaning "buttocks," this phrase translates roughly to "Hit you on the ass." More popularly known as "Fuck your ass."
Fred: "Hey Joe, wanna know what I did with your girlfriend last night?"
Joe: "Jock your pies!"
1.Refers to when a person is persuing another person with extreme effort, usually because they are attracted to them or have sexual attraction for that person.
2.It can also mean; on someones case about or for something. Bothering them
That guy was totally on your jock.
She is always on my jock.
Get off my jock.