Playboy Bunnies' images over half a century Playboy Bunny outfit is America's first officially trademarked uniform. We're talking Playboy Bunnies, of course - women clad in skimpy costumes, complete with tight corsets, a tuxedo collar, bunny ears and a cottontail. Interesting, as sexualized women are, quite often, referred to as animals: Playboy bunnies, sex kittens, cougars, hellcats, tigers in the sack, foxy ladies.