Someone who as a matter of duty or pleasure steals turds from unsuspecting victims of poofetish
John was reading the newspaper calmly whilst taking a dump on Trudy's face. By the time he looked around to admire his handywork, Jason the fucking turdburglar, had already snatched up his pile of steaming brown glory.
A "Turd Burgler" is someone who acquires pooh to be used in some S&M practices, most notably the practice known as "The Huey Bar", all very secret of course but ther you go. This is the truth, it is not a homophobic slander at all.