chortle about (someone or something)
To laugh about someone or something. I was still chortling about that scene in the movie the next day.
chortle about someone or something
and chortle over someone or somethingto chuckle or giggle about someone or something funny. I was chortling about Elaine's silly puppy for a long time. Elaine chortled about me and my dislike for cats.
chuckle with something
and chortle with somethingto giggle in some manner because one is gleeful or happy. He chuckled with unsuppressed mirth at the antics of the strangely dressed people. Sally chortled with glee at the thought of Ken slipping on the ice.