Can refer to either:
(1) A spare-time activity involving donkeys.
(2) A special fondness for laughing in an irritating squeaky/wheezy manner hat really grates on everyone else's eardrums.
(3) A leisure-time practice of watching old re-runs of da famous hillbilly-folks' TV show from da late '60's.
Heck Jones's favorite hee-hawbby was to nasally guffaw at Josh McBroom whenever he smirkingly believed that he had pulled a fast one on that seemingly-gullible Irish farmer, but in the end it was always said tall scrawny schemer who ended up getting bested, and said honest dirt-grubber who "got the last laugh".