look up any word, like the eiffel tower:
Any joke considered harsh or as dark humor.
This is a rough joke:

A pedophile walks through the woods with a child. The child says, “These woods are scary.” The pedophile says, “Tell me about it. I have to walk back through here alone.”

from Tina Fey's Bossypants
by harmless drudge May 11, 2011