HO-LY SH!!!!!T! This is f**king incredible. A kid dresses up in some sort of crazy-ass halloween costume and then screams his ass off, scaring his mom… into labor! Seriously, her water literally breaks on camera. (Wait till the end – there’s slo-mo.) So now you know – if you want to totally f**k-up a pregnant lady’s day, just jump out and scare the, uh, human out of her…