Answer:
I run around the streets all day. Under the bed or by the door I sit at night, never alone. My tongue hangs out, waiting to be fed during the day. What am I?
I am expelled from you orally with a sound
Curtail me thrice I am a youth; behead me once a snake; complete I'm often used in truth when certain steps you'd take.
What has an eye but cannot see?
You cannot keep me until you have given me. What am I?
I flow from the Homerβs mouth when he sees doughnuts.