He's flat Baroque...
Goodentight
In a Dutch accent Not much Gouda
Their spaceships Netherland.
The short ones drowned in the floods
Armin Van Buren.
Edam...
TO SHLEEP!
The type of gas used.
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. :-$)
They both slowly remove clogs.
Simbalism
They consume a lot of vitamin SEA!
At parking meteors.
Becuase it was astronauty
When I had diarrhea.
The diarrhea of Anne Frank.
Because the market got flooded.
A virgin.
Every time he touched a "wound" it closed.
Wall-sits.
Elton's John