run off is a verb meaning "run away; usually includes taking something or somebody along". It carries 7 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”
force to go away; used both with concrete and metaphoric meanings
“Drive away potential burglars”
“drive away bad thoughts”
“dispel doubts”
“The supermarket had to turn back many disappointed customers”
Definitions, synonyms and semantic relations for run off come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.