run out is a verb meaning "become used up; be exhausted". It carries 8 recorded senses.
leave suddenly and as if in a hurry
“The listeners bolted when he discussed his strange ideas”
“When she started to tell silly stories, I ran out”
exhaust the supply of
“We ran out of time just as the discussion was getting interesting”
Definitions, synonyms and semantic relations for run out come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.