It hissed at my friendly dog-buddy and me, while we were trying to pass it in the hallway in a "Thou shalt not pass" vernacular.
So.. I looked at my dog and asked, do we have to put up with this shit? He huffed at me, "definitely NO, Eeyore."
I booted the cat, and then it hid behind the couch for the next 2 days.
Don't tell my former younger girlfriend...