Top Definition
Performing anal sex at such a speed that mimics that of a locomotive.
My father warned me at a young age never to commit a crime, because a lot of railriding goes on in those prisons.
by NoneMoreSleezax October 02, 2015
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.

×