A colorless, tasteless, odorless vapor from that rises from teenage boys' crotches. The vapor has been proven to attract female high school teachers, hungry for an underage erection.
When combined with a tropical climate like Florida's, dick vapor becomes a potent compound, enveloping the boy in an invisible vapor cloud -- thus making him irresistible to the female faculty at his school.
"Mrs. Smith never used to pay attention to me until I started going through puberty and getting dick vapor. Now we have sex in the gym like every day. Plus, I have the best grade in class!"