Beware what´s behind you
Esto me fue enviado esta mañana. ¿Quién sabe lo que dice?
Whoever comes the closest wins best answer! If anyone takes offense please feel free to delete.

Here is mamifero's answer which is very close. si no ha pasado, pasará
Please post your own translations and lets vote on the one we think is the best.
Mine would be. Si ya no ha pasado, ¡Pronto!
14 Answers
si no ha pasado, pasará
(if it hasn't passed, it will)
Oh my god, what kind of zebra does that lady eat?!
I am just marking my territory.
Estoy marcando mi territori.
nunca adivinará él quién dejó éste
(he'll never guess who left this one)
Hope she's getting rid of it now, because if not she certainly will when she gets up and turns around!
Oh s******!!!
Look lady, I didn't use your living room for that!
okay, i'll bite. my 4 guesses:
baby you smell great
can i use the toilet paper when you're done?
man, i really need to lock the house when i leave
i decided not to tell my wife
and 2 more guesses from a friend of mine:
who's gonna clean the litterbox?
why do humans always have to choose the stall right next to you?
ya ha pasado lo peor
(the worst has "passed")
if she hasnt dropped the rock....she will soon
si ella no ha hecho del 2 ..pronto lo hara
if she hasnt poo still..she will soon
She thinks she's ****ting now!
If she didn't already **** she certainly will when she sees me!
Quess #2
Kid's game: Find the 3 animals....the woman, the lion, and the ass!