milk pipeline

When two dudes are having buttsex and one dude ejaculates into the other guy's ass while the catcher ejaculates on the floor.

"I heard Will and Taylor performed a milk pipeline last night while they were having buttsex. It was a perfectly timed execution."

by Jon B.R. January 30, 2016

Pangaean Pipeline

A sex act where one is penetrated by a piece of coprolite, aka fossilized feces.

Then I pulled out this 185 million year old alligator poo and gave her the old Pangaean Pipeline, if you know what I mean!

by Mojoe Frankenstein May 27, 2018

scotland pipeline

You stick a shit filled bag pipe into someone’s anus and proceed to play a tune

I enjoy doing the Scotland pipeline with my mum and uncle

by The main pipeline June 7, 2019

Pipeline dream

A pipeline dream is specific to IT projects where although a project is fantastic or really needed it never comes to fulfilment due to other projects always taking priority or being pushed in ahead

The update of the search functionality was but a pipeline dream for the developers working on the app

by CounterEase February 28, 2022

Yankee pipeline

When one sodomizes the partner then receives oral, then reinserting it into the partners anus.

Bro! I totally yankee pipelined Christy last night! And she had a chocolate smile. Gross!!!!!

by KristintheKomet July 13, 2022

Idaho Pipeline

The act of forming mashed potatoes into a pipe shape, freezing them, and then using the frozen potatoes as a dildo

"These potatoes are amazing! Definitely Idaho pipeline material."

by The Undertater June 26, 2019

Stuffing the Pipeline

A douchebag sales term for bringing in more leads or customers.

Person A: Made a lot of great sales at work today!
Person B: Stuffing the pipeline, I see! Rad!

by holmesd August 26, 2018