Noun: A thong; refers to the idea that if one was to have a bowel movement while wearing one, the poo would come out in two pieces
Honey, I bought you a bottle of "Trouble" cologne and a pack of turd splitters at the dollar store.
Hey, nice turd splitter
An effort to describe someone's ass.
Just think about it and you will get the drift....
Man look at the size of that chic's turd splitter!