What am I?

I cause involuntary movements in your vehicle. What am I?

related riddles

I go from house to house, a messenger small and tight. Weather it rains or snows. I sleep outside at night. What am I?

It has a long neck, A name of a bird, Feeds on cargo of ships, It’s not alive. What am I?

I flow from the mouth of Homer when he sees doughnuts. What am I?