Haw-haw. (n.d.). In YourDictionary. Retrieved from https://www.yourdictionary.com/haw-haw
Alternative form of ha-ha. (a ditch acting as a sunken fence)
One line of steps we traced from the spot to the haw-haw; they were very distinct upon the turf; the heel was toward the haw-haw, the toe toward the spot where the murder was committed. "” George Payne Rainsford James.
English Wiktionary. Available under CC-BY-SA license.