Ha-Ha! You Ran Into a Ha-Ha!...
Betcha didn't know that "ha-ha" is an actual word meaning a trench, basically a sunken fence to keep livestocks from coming into your backyard while preserving the uncluttered look of the landscape:... the name...
https://www.neatorama.com/2009/01/10/ha-ha-you-ran-into-a-ha-ha/
