cross-cuntamination 

The souring of a social situation due to a specific combination of women.

The party had a serious case of cross-cuntamination when the girl who slept with the hostesses husband showed up.

cross-cuntamination by taureanx May 3, 2009

Cross Cuntamination 

When a man is having sex with two or more women and pulls directly out of one and penetrates the other without rinsing his penis or condom. Seen in many porn flicks.

Wow! That orgy scene had massive amounts of cross cuntamination going on! I bet everyone's genitals rotted out after filming!

Cross Cuntamination by Detr September 6, 2013

Cross-contamination 

The harmful germs being transported from one person, object, or animal to ready-to-eat foods, prepared or unprepared.

She didn't wash her hands before she started preparing the items needed to cook the fried chicken, which potentially leads to cross-contamination of germs and foods interacting with one another.

Cross-contamination by dquintero3 September 8, 2025

Cross-contaminating 

Alternating back and forth between vaginal and anal sex, thus cross-contaminating both.

"I was cross-contaminating her for over an hour."

Cross-contaminating by World-Wide-Walt March 13, 2021