Top Definition
The act of finishing in a woman's mouth (thereby dropping your "proton torpedo") after a vigorous period of thrusting your member between her breasts (also known as "titty fucking").
Dude, I went trench running on this busty chick last night. Pretty sure I get bonus points for doing it vertically.
by Sterling Cooper December 04, 2013
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.