Top Definition
When one man rams his penis into the penis of another man at a 90-degree angle.
Jeff and I got really hot last night. We were totally t-boning by the fire.
by whcgonzo November 08, 2011

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.

×