A zoophiliac, a murderer, a necrophiliac, a pyromaniac and a masochist are sitting together in a prison cell...

The zoophiliac looks around himself and muses:

"Damn, I wish there was a cat around here... ya know, we could... fuck the cat."

His inmates nod in agreement. The murderer then says:

"Or we could fuck it, and then kill it!"

The necrophiliac turns to the others and, grinning, says:

"How about: we fuck the cat, we kill it, and then we fuck it again!"

They all cheer, and the pyromaniac adds:

"Even better: we can fuck the cat, then kill it, fuck it again, and then BURN it!"

Curious, the group turns to the masochist who was still silent. The pyromaniac, who was the last to speak, asks:

"So, what about you? What else do you think we could do to the cat?"

Instead of a reply, the masochist looks them all dead in the eyes and says "meow".