bustin your chops 

Boston Irish slang you say when they're just fooling around.

See: bustin your balls

I'm just bustin your chops don't take it personal

bustin your chops by some polak November 11, 2004

busting your chops 

Means you are just pulling your leg
was seen in the Regulat Show "the Postcard"

basically you say it like you would say "Just pulling your leg"

Guy 1 : Hey dude can you help with this I cant read it
Guy 2: Can't read it huh? you try opening your eyes? hah just busting your chops

busting your chops by Ryo_Inazuma March 11, 2014