Top Definition
The line at which, when entering a cold pool, one's genitals contact the water. A very unpleasant experience, especially for males.
When james crossed the jenny line, his penis shrunk like a frightened turtle.
by team quarry June 01, 2005
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×