Goes Berserk is a phrase used to describe someone who has become extremely angry and out of control. The crossword solutions for this term are RAGES (5 letters), LOSESIT (7 letters), RUNSAMOK (8 letters), RUNSRIOT (8 letters), and FREAKSOUT (9 letters). All of these words describe a person who is in a state of extreme anger and chaos, and they all imply that the person has lost control of their emotions.