'Hawhaw' definitions:

Definition of 'Hawhaw'

From: GCIDE
  • Hawhaw \Haw*haw"\, v. i. [Of imitative origin.] To laugh boisterously. [Colloq. U. S.] [1913 Webster]
  • We haw-haw'd, I tell you, for more than half an hour. --Major Jack Downing. [1913 Webster]