Meaning: This sentence describes an audience that found the performance so funny that they laughed uncontrollably, even to the point of shedding tears.
Choice of Words: The word "audience" refers to a group of people gathered to watch a performance or event. "Laughed" is the past tense of the verb "laugh", which means to make a sound of amusement or joy. "Until" means up to a certain point in time. "Cried" is the past tense of the verb "cry", which means to shed tears.