Name for any sort of STD. The person carrying the STD won't be aware of what you and your friends are talking about if you use this term, the term was first used in Coudersport, Pa in chemistry class. You can accompany the term with puking and gagging noises. Can be referring to the person carrying the virus, the actual virus or the whole situation.
did you hear about the J DUB? (insert puking noise)
There he/she is! The J DUB! (insert puking noise)
Man you slept with her? You got the J DUB (insert puking noise)