Just some random funny classifieds on Craigslist I found while looking at guitars in my area. Here are some good ones.

Want it from behind while you play Super Mario Brothers ?
To the Minotaur that lives above me.
I was the girl your wife was going down on when you came home
Decapitated dolls
Ferocious Attack Kitten
I hate all of you

Bold links indicate comedic gold.

I'm too lazy to post the rest. Look for yourself.
The Ferocious attack Kitten one was just too much. I haven't lol'd like that over something on the internets in quite some time.
"You can't fight in here, this is a war room!"- Dr. Strangelove
The minotaur one was the only one that was pretty funny.
The others were sort of stupid

But the minotaur....Oh yeahh
"You've got to dance like nobody else is watching.
Dream like you will live forever.
Live like you're going to die tomorrow,
and love like it is never gonna hurt."
-- James Dean (1931-1955)

Quote by JakeTheDuck
This man has the right idea.

oh yeahhh
Lol at the Mario one.
Mmmm, coffee

Quote by the_poison125
Fear your ass...

Quote by hazzmatazz
Quote by Våd Hamster
Sharing is caring. *holds out hands*
*inserts penis?*