A frog with hiccups !
Both are covered in oil, huge, and been invaded by the West.
The pencil has a point
A cat has nine lives, but a frog croaks every night.
Biologist 2: Oh it was quite ribbiting.
If they jumped forwards, they would still be on the boat! Sorry.
Because he higher and higher. (I translated the joke from Dutch, and yeah it's supposed to not make any sense, it just sounds funny, in Dutch at least. :-$)
Because sheep can hear a zipper a mile away.
Smiles" because there is a mile between each S!
Dunk your head in a bucket of water and pull it out twice.
A Hiccup! Get it? Hick-cup?