Digestive System jokes

How can you tell when a comic passes gas? Something smells funny.

Technically, a human is hollow. We have an empty tube through us from the mouth and nose to the asshole and dick or pussy. We are basically tubes.

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They say I'll mess up my insides, but I don't have any.

What did the poo say to the fart:

You blow me away!

Once, I ate a skunk. It was hard because I didn't get it down the whole way.