Here is one that I think is pretty funny.

There is a guy at a bar having a few drinks when he hears two ladies next to him talking. You know I heard that Native Americans have the longest penises(so as to not offend anyone). says the first woman to the second. Well I heard that Polish men have the most gurth(as in wide). says the second woman to the first. After talking a few more minutes the women introduece themselves to the man when they as him what his name is he replies My name is Tonto Jablowsky.