Your mission. Should you choose to accept it:

[Xx{Midnight}xX]

Re: Your mission. Should you choose to accept it:

In my own underwear and pants which i leave on the floor in his bathroom.

[flipsta_lombax]

Re: Your mission. Should you choose to accept it:

In my own underwear and pants which i leave on the floor in his bathroom.

Leaving out half naked might even be funnier.

[~kitty~]

Re: Your mission. Should you choose to accept it:

Under the floorboards in the kitchen. They'll never know where it comes from.

[Emithith]

Re: Your mission. Should you choose to accept it:

the cat's litter box.

[rushyrulz]

Re: Your mission. Should you choose to accept it:

In a hotdog bun. Or eat a banana and shit in there and when they go for a banana in the morning, they get a shitnana.

[Kibblre]

Re: Your mission. Should you choose to accept it:

Microwave, which I will then turn on.

[alloyus]

Re: Your mission. Should you choose to accept it:

The oven

[MarioNintendo]

Re: Your mission. Should you choose to accept it:

On the ceiling fan LMAO

[CammyGoesRawr]

Re: Your mission. Should you choose to accept it:

In a clothing dryer.
Step 2: Insert clothes and initiate spin cycle

[Emo_Saur_]

Re: Your mission. Should you choose to accept it:

In every single cup in the Kitchen.

Respectfully I would do it in the toilet, then flush it because I am so damn nice.

[Crashfan3]

Re: Your mission. Should you choose to accept it:

Somehow, I would find a way to shit inside the vents. That way it would get in the heating/cooling system and every time they turned on the heat it would smell like taco night.

[25thhour]

Re: Your mission. Should you choose to accept it:

In the furnace.

Damn it I was gonna say this.

I would shit in the toilet bowl, THen they would come home and we like wtf who didn't flush.

[Winrar]

Re: Your mission. Should you choose to accept it:

Toilet tank and litter box are my favs :')
I'd just go with fridge. RIP food

[LongGone]

Re: Your mission. Should you choose to accept it:

Gives a literal meaning to "when the shit hits the fan"

[supermousie]

Re: Your mission. Should you choose to accept it:

Actually, why not next to the toilet? They'll be all @_@ at the random turd.