Santorum

"Santorum" is an English neologism, named after homophobic American senator Rick Santorum, which describes the mixture of sperm, fecal matter and lubricant sometimes resulting from anal intercourse.

Source: tatoeba (4456191)

She wads up the t-shirt, uses it to wipe a trickle of santorum from her ass, and throws it under the cot.

Source: wiktionary

In the “for what it's worth” department, the frothy mixture of lube and fecal matter that is sometimes the byproduct of anal sex is called santorum. Safety Warning #6: Be particularly cautious where this santorum goes. As previously noted, you don't want to get any fecal matter in the vaginal area. Bad safety risk.

Source: wiktionary

Then, one of them broke ranks and rammed his blood-lubed fist straight up my ass and twisted hard, pulled it out and licked the santorum clean.

Source: wiktionary