Answer: hadaball

AnswerCrossword Clue
HADABALLReally enjoyed oneself
HADABALLMade merry
HADABALLLived it up
HADABALLFully enjoyed oneself: Slang.
HADABALLEnjoyed exceedingly: Slang.
HADABALLEnjoyed oneself
HADABALLPartied down
HADABALLTied one on
HADABALLWhooped it up