Transsexual
Usually they think 'Well I already wasted my time getting here, but now I've arrived so to recoup that lost time why not toss a few hundred dollars down the toilet as well.' (= thinking with your cock, or being a "dickhead")
...
Congrats to this reviewer who not only had the balls to walk away, but also expose this cockroach in a wig.
...
And thanks for your post 
... spoiling the whole barrel analogy, and worse yet it seems that “a few” would be understating the problem. After an initial stumble with a ‘10-minute whiz’ and hearing about others, I realized how abundant and different the pitfalls are in this venue compared to those in genetic-girl-land. After ascending the ol' learning curve my experiences have been enjoyable, sometimes awesome (including 3 from Texas) with nothing beyond some minor inconveniences. The key is to forget about the apples with the maggots when a shining, tasty ripe one is found