|1.||bust my chops|
Bust means "punch" and chops means "mouth", so "to bust someone's chops" literally means to hit them in the mouth, but most of the time it means to give (someone) a hard time.
Don't bust my chops; I'm sick and tired of you calling me names.
|2.||bust my chops|
To bust someone's chops (nonliteral meaning) is to say or do something that interferes with someone's line of expertise or leadership in something. Chops = skills or simply a person's line of action, especially at the moment; and busting = to stop something or interfere with something.
You always gotta bust my chops with some stupid remark during the TPS report meetings!