After having anal sex, when a penis becomes plugged with feces, and subsequently "poops" the feces out either during ejaculation or while urinating. Dickturds look similar to hamster turds, and are usually layered in a fashion similar to the buildup of dough in a straw after pressing the straw in the dough multiple times. Dickturds are commonly associated urinary tract infections.
Chaz had to poop, but he didn't tell Trit. So, after banging Chaz in the ass, Trit trit left a dickturd in Chaz's ass when he came. Trit got a urinary tract infection the next day.