Top definition
The percentage of stench/stank that fills the air in a confined space (such as a public or private restroom) after releasing feces.
- "damn honey, I'm sorry for taking so long in there."

- "holy crap! I can barely breathe! That must have an SVD of 9!"

-"SVD?"

- " yea... SVD-shit vapor density! You can cut through that with a knife it's so thick!"
by Sneakyneeks August 03, 2013
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Jul 19 Word of the Day
the art of remembering an arousing occurrence or some porn you watched while masturbating, often handy if you have no porn or your in the shower
dude i had the best memory wank the other night, i was thinking about that time I walked in on your mum in the shower
by fonzatron2000 April 28, 2007
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