spit valve 

The valve(s) found on a brass-wind instrument that are opened to release saliva accumulated while playing.

You're rattling. Empty your spit valve.

spit valve by Chad June 20, 2004

spit valve 

when an unusually tall girl is giving a man a rusty trombone in the 69 position while pissing in his mouth

"That Josh Watson is a lucky man dating that ckick basketball player, she's so tall that she spit valved him last night."

spit valve by H2zZ December 9, 2004

Spit Valve 

A Woman who cannot seem to swallow semen. She spits it out.

"Hey man did you know Morgan is a major Spit valve?"

Spit Valve by Kozcup May 19, 2016

emptying out the spit valve

emptying out the spit valve
-verb

A. The wringing out of the testicles during the course of a rusty trombone.

B. The drinking of accumulated sweat, saliva, and/or anal discharge wrung out from the testicles during the course of a rusty trombone.

Even as Crystal was emptying out the spit valve Bobby demurred: "But Tuesday's steak night honey - why can't we go to Ponderosa?".

emptying out the spit valve by TicklesMctits July 25, 2010

rusty spit valve 

When receiving a rusty trombone the man flatulates on the hoes tongue.

Yesterday Timmy gave Alicia a rusty spit valve and she was mad.

rusty spit valve by tatooed gnome October 16, 2008

spitvalves 

Amazing skacore band who are simply the best.

Yo nigga spitvalves ain't rap, that 50 cent shit's whack pop this up

spitvalves by g'd up from the nigga August 24, 2003

ShitValve 

A ladys rear region connecting her poo pipe to her butt hole,

I would love to take you up the shitvalve

ShitValve by Derek Dirtbox December 7, 2010