Wiktionary
vb. (present participle of lock up English)
Usage examples of "locking up".
Linux proved to be just as difficult, obscure, and balky as Windows, taking five minutes to load on the 600-MHz system and locking up with the first touch of a key.
But locking up people who come here because they don't like the way we're doing things?
And I got out my keys and began putting the papers away and locking up my desk, because I was to drive him in the station wagon.
JVlichaele didn't bother trying to rouse her father after locking up.
Jane heard the SEAL locking up behind her as she focused on helping Robin navigate the steps.
Many of the trees were over a hundred years old, planted to scrub the London air, locking up the cadmium, dioxin and lead in striated layers of cellulose.
Her eyes seemed to hold a thousand secrets, her long lashes locking up every emotion behind them.