When a guy is having symptoms of a potential STI and ejaculates in his least desirable woman in rotation. He waits until she gets a diagnosis before he gets himself treated.
Deshawn PETRI DISHED his girl Kameka and found out he had given her Chlamydia after she got herself tested.
A place that is full of people with the possibility of infection of viruses or diseases via close contact via people or "gross" environments, humid and warm temperatures, and people who are not minding etiquette in spread of coughing, sneezing, washing hands, or touching food.
John, that party sucked last night! Everybody was sticking their hands in the food and being all sweaty around each other. What a petri dish.