Eminem: So what you gonna do when shit hits the fan, are you gonna stand and fight like a man, will you be as hard as you say you are, or your gonna run and ditch your body guard.
When something like a discussion or debate that is already heated eventually sparks chaos, usually due to none of the participants or anyone else calming things down.
Person 1: Now if you talk about politics in \b\, you should know that eventually, shit hits the fan, and you'll basically just be over.