locked up

(transitive) To imprison or incarcerate (someone).
(transitive) To put (something) away in a locked location for safekeeping; (occasionally, chiefly humorously) to sequester (a person) in a similar way.
(intransitive) To close (and often lock) all doors and windows (of a place) securely.
(transitive) To lock (a door, window, etc.).
(intransitive) To cease responding.
(transitive) To cause (a program) to cease responding or to freeze.
(intransitive) To stop moving; to seize.
(intransitive) To stop moving; to seize.
To lose one's forward momentum; to freeze.
(intransitive) To (mistakenly) cause or have one of one's wheels to lock up (stop spinning).
(transitive) To invest in something long term.
(intransitive) To travel through a flight of locks on a waterway in an uphill direction.
(obsolete) To fasten quoins securely with a mallet and a shooting-stick.
(slang, transitive) To assure success in or control of (something).