fnort
The onomatopoeic action taken by felines when they meet and sniff each other's asses in a circular yin/yang method.
These two have been fnorting for an hour, it's getting a little weird.
Every time that cat comes into our yard, he fnorts with my cat until she swats him and runs.
Every time that cat comes into our yard, he fnorts with my cat until she swats him and runs.