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7. silent but deadly
Legend has it that a man named Pierre Chappele, when on a recon mission, he found an enemy that was going to the bathroom.

Pierre snuck up behind him and slit his neck, his last words sounded like a mild fart.
Silent But Deadly is now used as a military term to describe an AWOL (Absence without leave)
by Not Zane Jul 22, 2004 add a video
1. Silent but deadly
A creeper, a floating air bisquit. A fart that can not be heard but can sure as hell be smelt. This type of flatulent sneaks up on you and unless there is a breeze, hard to tell who it came from. Don't ever recognize this type of fart out loud otherwise you fall into the rule of: "Whoever smelt it delt it"
"Dayum, someone done let loose a silent but deadly"
by D. Ferrel Sep 29, 2003 add a video
2. silent but deadly
When a fart can be emitted so silently yet its strong enough to floor a rhino.
Eating a Meat-Lovers pizza gives you silent-but-deadly ass-gas.
by Didda Tinkle May 24, 2004 add a video
3. Silent but deadly
A fart that is not heard, but smells so horrid that it could kill; also: Silent but violent, SBD
Your farts aren't that bad when compared to Grandpappie's ol' silent but deadlies.
by King Shit Jan 16, 2003 add a video
4. silent but deadly
something that, when combined with a dutch oven maneouver, is an excessive use of deadly force.
easy elevator clearance...
by Greg Apr 29, 2004 add a video
5. silent but deadly
Not a spleecher or a barfoom in that the originator of these stinkbombs cannot be detected until it is too late.
Some broccoli-munching vegan cut a silent but deadly stinkbomb on the bus. Eat meat, twerp!
by Cosmicstargoat Apr 22, 2004 add a video
6. silent but deadly
A subtle release of nasty botty gas.
I just did a SBD!
by Andrew Briggs Jan 31, 2004 add a video
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