I have never heard my BP fart/poop so I went searching for an example. I found these and thought they where funny. You can find anything on the internet.

Not sure what language is spoken at the very end. If they are saying something inappropriate then i'm sorry.
http://www.youtube.com/watch?v=aiUlz7POclc

Very mild language in this one. The only reason I'm posting is because I found it very funny and I have seen the same words used posted in other places of this forum with out people complaining. Basically its another word for butt.
http://www.youtube.com/watch?v=AHvY_nc5Qrw

If either of these are found to be offensive message me and I will remove them from this post.