Going wild is an expression that means to act in a wild, uncontrolled manner. The crossword solutions for this term include RAGE (4 letters), REVEL (5 letters), RIOT (4 letters), FLIP (4 letters), RAVE (4 letters), WIGOUT (6 letters), RUNAMOK (7 letters), RUNRIOT (7 letters), LETLOOSE (8 letters), RAISECAIN (9 letters), and BREAKLOOSE (10 letters). All of these words describe different ways of expressing wild behavior, from raging and rioting to reveling and wigging out.