Definitions of hoot:

• noun:   a loud raucous cry (as of an owl)
• noun:   a cry or noise made to express displeasure or contempt
• noun:   something of little value
• verb:   to utter a loud clamorous shout

  Example: "The toughs and blades of the city hoot and bang their drums, drink arak, play dice, and dance"

• name:  A surname (very rare: popularity rank in the U.S.: #51301)