Usually, a "bunny suit" refers to the leotard/bathing suit/corset like costume typically worn by Playboy bunnies, also known as bunny girls. Wrist cuffs, bowties, and detached collars are often present.
While this tag is no longer implicated with "bunny ears," the following tags should be used instead if the rabbit ears aren't actually in the picture to ensure proper tagging:
The following tags are aliased to this tag: bunny_suit and bunnygirl (learn more).