Top Definition
Rather than sniffing a rail of cocaine or your drug of choice the user injects the substance into their penis while it is erect.
Dude that guy over there is so crazy he red rails cocaine!
by coke junky February 12, 2008

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.

×