Cock connoisseur
An individual who travels the land far and wide, tasting all varieties of human penis, subsequently rating and favouring them, possibly producing some form of TV show or journal in the process.
Now on BBC Two, David Attenborough: Cock connoisseur.
cock connoisseur
When sucking multiple cocks, you start to notice the differences between the all the cocks, size, taste, shape, thrust, etc.
While on her knees, Riley became a cock connoisseur for that night.