Top Definition
Similar to a poop cock, a brown pen is when a male will insert his penis into another person's anus and come out with feces partially or fully coating the head of his penis.
Man 1: "Hey, dude don't do anal with Jane."
Man 2: "Why not? She's a fox!
Man 1: "Cause she gives a nice brown pen."
by Fester Burnham May 31, 2009
Free Daily Email

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

Emails are sent from We'll never spam you.