When a couple is sleeping "spoon style" and the one in front releases some toxic fumes, then raises and lowers the sheets ever so slightly propelling the stench up between the close lying bodies "the Chimney" and entering the nostrils of the one behind.
by Monkey Boy August 3, 2004

To stick a tongue up one persons nostrils removing all snot and boogers often done for sensual reasons, but not always
Dude 1: bro Stacey came over last night
Dude 2: bro that’s sick did she clean the chimney
Dude 1: you know it dawg, My sinus is HELLA clear
Dude 2: bro that’s sick did she clean the chimney
Dude 1: you know it dawg, My sinus is HELLA clear
by Absurd_Chalice November 4, 2022

The Chimney Effect appears most often when you fart wearing insulated clothing like ski jackets\pants, which causes you fart to travel up you pants\jacket and then explode in your face. And in some cases it will follow you around for a while.
Guy 1 : Damn man I just had the nastiest fart.
Guy 2 : You better open your jacket or that fart is going to explode in you face.
Guy 1 : Oh shit I completely forgot about the chimney effect
Guy 2 : You better open your jacket or that fart is going to explode in you face.
Guy 1 : Oh shit I completely forgot about the chimney effect
by GuNNFrEE March 17, 2009

When a man slides a glass thermometer into his dick hole and slams his dick in a door, shattering the thermometer, while a women watches. One of the most hardcore forms of sexual gratification, alongside such legends as the purple mongoose or the alabama hot pocket, only more painful.
by TeTyrone KoolAid-Anda McPopeye February 12, 2014

The sexual act of vaping in a female's cock sock, and proceeding to fuck it immediately after, resulting in clouds coming out of her pussy, looking like you are sweeping a chimney with your cock.
"Bro, did you hear what Todd did last night?"
"Yeah bro, I heard he became a chimney sweeper with linda!"
"Yeah bro, I heard he became a chimney sweeper with linda!"
by hugh jboner February 26, 2017

The exit was obscured by a cloud of cigarette smoke coming from a gang of chimney chicks who refused to move.
by Jag Silver November 24, 2015

When you fart into a sweatshirt that’s pulled over your knees, then it poofs up through the neck hole of the sweatshirt into your own face
by Muffins. November 9, 2019
