Answer:
What goes up a chimney down but can't go down a chimney up?
I help engines spin and pants stay up.
Dead on the field lie ten soldiers in white killed by one blade yet there was no fight. What are they?
I can be entertaining until you realize some pieces have been lost.
I get wet when drying. I get dirty when wiping.
I flow from the Homerβs mouth when he sees doughnuts.