Slide Whistle 

A slide whistle is a blowjob, specifically a blowjob given while manipulating the balls to increase pleasure. This is analogous to using a slide whistle where the person blowing the slide whistle will pull on the slide to change the tone of the instrument.

Nate: I offered the guy next to me a slide whistle so he would watch my stuff when I went to the bathroom.

Slide Whistle by TesticularCancer November 24, 2014

Slide Whistle Purgatory 

A place between heaven and hell where the great musicians of a given time period go when they die, where they are sentenced to an eternity of playing the slide whistle in grimey underground clubs.

-Dude, I wonder if Kurt Cobain is in Slide Whistle Purgatory

-Dude I was at this underground club and I could've sworn Kurt Cobain was there in slide whistle purgatory

Slide Whistle Purgatory by word=word April 2, 2010

Slide whistle willie 

A sexual position in which the male inserts his cock into a one gallon jug filled with feces and urine, and then a woman gives him a blowjob while the man plays a slide whistle

Damn Joey, I heard Steve gave Cheryl a slide whistle Willie!! I can’t imagine what that tasted like. She must be a real slut

Slide whistle willie by Nigger bob square dick August 30, 2023

rusty slide-whistle 

Basically the gender reverse of the rusty trombone. That said, details matter. As the gentleman lovingly rims the fair maiden, he rubs his index finger along the moistened edges of her (insert preferred term) for her comfort. Next, slowly insert said finger in the aforementioned, while lovingly whistling the tune of her choice, hence creating a chorus of musical pleasure.

Ah girl, my man played me "patience" on the rusty slide-whistle last night, Guns-n-Roses never sounded of felt so good.

rusty slide-whistle by lavoinha August 26, 2006

Baritone Slide-Whistle 

Musical term referring to the sound produced by the escaping of air caused by repeated extraction and insertion of a well lubricated penis into and out of a male's rectum. See also: skin flute

"do any of you play any instruments?"
"Mork and I have been know to jam out together on the skin flute and baritone slide-whistle"

Baritone Slide-Whistle by nathan mork December 14, 2008

Rusty Slide Whistle 

The Rusty Slide whistle begins with a woman furiously blowing into their male counterparts asshole, while simultaneously tugging his johnson. This act replicates the steps required to play the slide whistle, thus warranting the name.

"Yo, last night Justine busted out the rusty slide whistle, we made some sweet music"

Rusty Slide Whistle by Matthew Mcconaughey's peepee November 29, 2019

Sylvester slide whistle 

A term used for going to the bathroom

I need to go and take a Sylvester slide whistle."

Sylvester slide whistle by Mr Kidding March 8, 2024