A vehicle that has been modified so that it produces a loud, rumbling, aggressive noise when the engine is revved. This modification is known as installing a ‘Grunt Valve’
Dave: Bruv, what was that car that just sped past us, sounded like a TVR or something..?
Joe: Nah mate, saxo.
Dave: Shit man, must have a fat grunt valve innit.
Dave: What you sayin Joe?
Joe Just chillin in the grunt valve innit.
Dave: Fair play, whats the grunt valve sayin?
Grunt Valve: GGRRRRRRR – WAAAAP WAAAAPP WAAAAAAAAAAAAP!
Dave: That’s some serious grunt valve right there Joe, he is on it.
Joe: Innit doe.
Joe: Nah mate, saxo.
Dave: Shit man, must have a fat grunt valve innit.
Dave: What you sayin Joe?
Joe Just chillin in the grunt valve innit.
Dave: Fair play, whats the grunt valve sayin?
Grunt Valve: GGRRRRRRR – WAAAAP WAAAAPP WAAAAAAAAAAAAP!
Dave: That’s some serious grunt valve right there Joe, he is on it.
Joe: Innit doe.
by Badmaninnitdoe October 7, 2010
Get the Grunt Valve mug.The part of the male body used for a multitude of purposes; showing off to friends, Sexual intercourse, Urinating, etc. Also know by such terms as Penis or Dong.
Mark: My woman sure does want a baby.
Tom: You going to give her the fillup?
Mark: Yes sir, Ill open the Sausage valve and iced her cake.
Tom: Way to use your sausage valve buddy!
Tom: You going to give her the fillup?
Mark: Yes sir, Ill open the Sausage valve and iced her cake.
Tom: Way to use your sausage valve buddy!
by imthattechguy January 25, 2011
Get the Sausage Valve mug.Wireless (Bluetooth) headset worn by loud obnoxious douchebags that think everyone around them wants to hear their conversation.
by electrogeek March 7, 2012
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Get the Clatter Valve mug.While having anal sex and your penis goes too deep and hits the "flapper valve" causing your partner to shit the shaft.
by bench knight May 6, 2015
Get the Flapper Valve mug.by Waffles magoo September 4, 2016
Get the penis valve mug.To scissor a woman but only while eating fruit of some kind. Also putting fruit anywhere you can while the scissoring occurs.
by Alyssa Sanz May 14, 2020
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