Definitions

1. noun

The sound or call of a donkey, especially a loud, braying cry.

“The farm animal let out a loud heehaw as it escaped from its pen.”

2. verb

To make a loud, braying cry, typically like a donkey.

“The actor heehawed loudly to get the audience’s attention.”

3. interjection

An expression of surprise, excitement, or mocking, often imitative of the sound of a donkey’s call.

“Heehaw! What a fantastic surprise!”