Wow. That is one impressive, gigantic tomcat!
You turn your back on one of those things, you are smearing your butt with feline tooth attractant and waving a red cape at a bull. It triggers hunting instincts on them when you turn your back.
Video: NEVER turn your back on a big cat.
(I did think the tiger named Amanda was pretty funny...when the guy turned to face her, she looked like...if she could have talked, would have said: "Hey! How ya doing? Hey! Uh, I wasn't coming over here to sink my fangs in the back of your neck! Really, I wasn't...")
Bring a red lazer dot. Get it kitty, chase it.