Russian tunnel

A sex move where one shits in a woman's mouth and the woman shits after she swallowed it.

Me and my girlfriend did the Russian tunnel, we couldn't clean up

by BoatyMcstoopidface June 29, 2019

Tunneling

When a joint is burning/lit unevenly

Damn, the joint is tunneling

by averagestoner May 7, 2023

Hairy Tunnel

A girl who`s Vagina is so loose she can fit almost anything in there.

"Lets go upstairs and have sex Ashley"
"Alright lets go"
"Just to warn you I have a Very loose vagina. Its like a Hairy Tunnel I can fit a lot of things in there."

by Smithers john January 31, 2009

Tunnel ring

The shit you get on your dick after fucking your boyfriend in the ass.

I got that tunnel ring from you last night, had to take a shower before I went to bed last night.

by MacMcflush April 23, 2019

Terd Tunnel

Your butthole or anus.

“Man, I have to get to the shitter quick and empty my terd tunnel”

by Phat Paulie August 1, 2025

Pennsylvania wind tunnel

When you cum in some ass while the fart and the cum shoots out of the asshole because of the fart

I had a one night stand last night, we Pennsylvania wind tunneled and now my sheets are ruined.

by Tunnel_lover March 27, 2025

Reverse Tunnel

Kicking someone in the asshole and getting your foot stuck.

You better shut your mouth or I'll give you a reverse tunnel!

by Cheesecake_queen January 20, 2017