Tunnel Bumper

Two or more women engaging in sexual activity with each other; Lesbians

I heard Sarah used to date women. They said she was quite the tunnel bumper.

by Grishkob September 4, 2017

Tunnel sand

Tunnel sand is a type of sand that a railway/railroad tunnel will produce organically. In the past, tunnel sand has proven to be quite explosive in nature which is triggered by the act of a locomotive entering any tunnel that is producing tunnel sand. Tunnel sand is also the type of sand that is widely used in children's sandboxes in playgrounds.

Gee whizz, I sure hope this tunnel sand doesn't explode.

by letmesubmitanamealready May 19, 2017

Turd Tunnel

The back passage, referring to the destination where the faeces exit the body. Usually referred to as an asshole, anus and shitter.

Oh, Megan really let loose from her turd tunnel after that large meal from Nandos.

by ShniffItConnor September 19, 2016

Foggy Tunnel

When someone is to vape or smoke directly into a vagina.

"Woah Tyler did Anthony give Mary a foggy tunnel?" ~Chris
"Yeah dude she got a nasty infection and I almost gave her an aneurysm"~Tyler
"Niiiice"~Chris

by Mr. Bigg Dawg January 16, 2018

bung tunnel

The process of shiting in a hookers mouth and making him or her eat it

Hello candy (aka a 48 year old hooker) do you do bung tunnels (shiting in a hookers mouth)

by Bungtunnelbob January 5, 2017

Chihuahua Tunnel

The act of sexualiy insurting a Chihuahua in a womans Clituris and letting it lick the insides you

every friday i give my self a Chihuahua Tunnel my Chihuahua chester loves it as much as i do.

by The big mamma t November 12, 2021

Bum Tunnel

The term used when two people of any sex create a tunnel by pressing their bare bum cheeks together, usually for the purpose of a third male party to insert their penis for sexual pleasure.

“Ryan rang at lunchtime to invite Mike and i round tonight for a bum tunnel and a curry”

George “Would you like my wife and I to bum tunnel you?

Me “no”

by Leviathan Porkchop June 25, 2021