While the recent discussion about the reproductive complexities of the Klingon race has been quite entertaining...,
I'm guessing since the area we saw was an Orion Encampment and we know they are simply fascinated with the more overt sexual aspects of bodily functions.
(not to mention the financial implications that go with such)
The character depicted was probably a lower-class hustler that chose to have (or was forced by his pimp) his sexual anatomy surgically "up-graded" shall we say.

I'm guessing since the area we saw was an Orion Encampment and we know they are simply fascinated with the more overt sexual aspects of bodily functions.
(not to mention the financial implications that go with such)
The character depicted was probably a lower-class hustler that chose to have (or was forced by his pimp) his sexual anatomy surgically "up-graded" shall we say.
