Top definition
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.
by Chad June 20, 2004
Get the mug
Get a spit valve mug for your mama Riley.
2
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."
by H2zZ December 09, 2004
Get the mug
Get a spit valve mug for your guy Zora.
3
A Woman who cannot seem to swallow semen. She spits it out.
"Hey man did you know Morgan is a major Spit valve?"
by Kozcup May 19, 2016
Get the mug
Get a Spit Valve mug for your bunkmate Manley.