get on (someone's) case

informal

to criticize someone in an annoying way for something that they have done.

I just don't want him getting on my case for being late for work.

• off the map
• off the mark
• off the peg
• off the rack
• off the record
• off-the-record
• off the shelf
• off the top of head
• off the top of your head
• off the wagon
• off-the-wall
• off the wall
• off to a flying start
• off to the races
• off your own bat
• of late
• of old
• of one mind
• of own accord
• of own making
• of someone's own accord
• of something's own accord
• of the essence
• of the moment
• of the old school