When the shit hits the fan, only a lot worse. Think about it; if you throw shit at a fan, the worst thing that will happen is shit will go everywhere. If you throw shit at a lion, it's going to chase your ass.
AS: man, if I don't get this project finished, the shit's going to hit the fan
JT: that's nothing, I'm wearing my girlfriend's underwear; if she finds out, the shit's going to stick to the lion
2. where you going to be when the shit sticks to the lion?!