In french, "Si Tu Veux," used in place of "if you want."
-Hey boy. Voulez-vous coucher avec moi ce soir?
--STV

-How about 6 tonight?
--Yeah, sure, stv.
by qualifiedfor August 11, 2011
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Abbreviation for Stranglethorn Vale in the World of Warcraft game.
lets quest in stv. meaning lets go quest in stranglethorn vale.
by Spikex2 April 6, 2006
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System Transmitted Virus
When a virus gets into your msn/myspace/facebook count an send random message to everyone on your friends list.

"omg....shes got another STV"
by nickic April 21, 2008
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Sexually Transmitted Vegetarianism or Veganism

1. - n. - the conversion of a meat eater to herbivore status at the prompting of the meat eater's new boyfriend or girlfriend

2. - n. - the conversion of a meat eater to herbivore status in the hopes of establishing a romantic encounter with a decided vegetarian or vegan
1.

Meat Eater: "Yo, let's a grab a steak. My treat."
New Vegan: "Sorry dude. No steak for me. My new girlfriend would kill me if she could taste cow on me."
Meat Eater: "Wow. I never thought you'd catch an STV."

2.
Vegan Guy: "So, how long have you been a vegan?"
Fresh Vegan Convert: "Uh...about 2 days, I guess."
Vegan Guy: "That's when you met me! Did I give you an STV?"
by Tom Cerveaux January 26, 2010
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Andrea: Did you try to call her about the Star Trek tickets?
Candy: Yep, STV. She never picks up.
by joybender March 3, 2011
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A overwhelming feeling of having picked up a disease by watching a television show that is so skanky it makes you feel like you have a sexually transmitted disease. i.e. Barbwire
I may have to go to the doctor for some kind of ointment. I was watching Baywatch last night and I think I contracted an STV.
by Gregtionary December 4, 2008
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