freak (someone) out

to become very excited or emotional.

There was a bomb scare at the school, and parents were freaking out about their kids' safety.

Her latest album just freaked me out.

• off the bat
• off the beaten path
• off the beaten track
• off the books
• off the charts
• off the cuff
• off-the-cuff
• off the face of the earth
• off the hook
• 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