What your mom said to her friends after you were born.
"Omg, what is wrong with your kid?"
" Oh, you know. Shit happens. This time I fucked a crocodile. "
Shit Happens when Life doesn't go your way, or you pooped yourself. Like they say: Shit Happens!
Guy 1: Yo bro, Shit Happend with her and I.
Guy 2: I know right, Shit does happen!
Random Guy 1: Oh gawd, I shitted on the floor!
Random Guy 2: It Happens, Shit Happens