Someone who is constanatly trying to sell you some bullshit. Sells turds at retail, whole sale, ware house, and discount prices.
"Claus is such a turd merchant that he is trying to convince Mdub that Robyn is finer than Lindsey; BULLSHIT !"
A homosexual; a gentleman who deals with the turd of another gentleman in a poking fashion.
There's Philip Moody, he's a right turd merchant!