This could have been discussed at the ice cream parlor:

"Hey, lets decorate the shopping window."
"Geilofant! But what shall we put in there?"
"Ice cream, of course!"
"Bist du doof? The ice cream will melt."
"You are right."
(pause, heavy thinking!)
"??????!!??????"
"........"
"I got it!"


Welcome to the Eiscafé in the Kleinstadt!

glossary
Geilofant! - (very cool and enthusiastic exclamation) Great!
Bist du doof? - Are you stupid?
Eiscafé - ice dream parlour
Kleinstadt - small town