Meaning: Be blocked with ice
Example: The pipes all FROZE UP so no water came through.
Meaning: Stop working because the parts of a machine won't move
Example: The gears had FROZEN UP.
Meaning: When a computer stops working
Example: The computer FROZE UP; it showed me the blue screen of death and I couldn't reboot.
Meaning: Be paralysed with fear
Example: WE FROZE UP when we heard the window break.