A Polish guy didn't know the difference between incest & arson.
He set his sister on fire.
Why was the blonde's belly button red and hurting after sex?
Her boyfriend was also blonde.
Why do blondes wear underwear?
To keep their ankles warm.
A drunk wakes up in a cemetery in a freshly-dug grave. He thinks: If I'm alive, why's there a tombstone? If I'm dead, why do I have to piss?