Fugu has been running a little wild recently, hasn’t he?
Viet gently embraced Koichi who had been out of control.
I had a dream that a runaway truck crashed into the Tofugu office.
Violent running... sounds like a marathon gone wrong. No, this is when you run around and you're all violent. A better way to describe this would be to say "run wild" or "run out of control."
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.