Virgin 'til Marriage. Someone who doesn't have sex before he or she is marriage.

An abbreviation for the "Virginia Tech Massacre" : When used as a verb, "VTM" entails the action of a school shooting, or massacring, in which a student guns down much hated peers and teachers

Virtual Training Module

Used to teach via device of visual communication.

The abbreviation for Veritaserum.com, the most awesome Harry Potter website in existence.