Meaning

• A derisive cry or shout.

• The cry of an owl.

• A fun event or person. (See hootenanny)

• A small particle.

Meaning

• To cry out or shout in contempt.

• To make the cry of an owl, a hoo.

• To assail with contemptuous cries or shouts; to follow with derisive shouts.

• To sound the horn of a vehicle