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1.
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!"
by sidecarsally May 31, 2009
 
2.
Post masturbation smell from the crochal region.
Girls can smell when you've been masturbating when you sit near them especially with strong dick vapor
by Unloaded Words December 15, 2012