Can be an initation rite or punishment:
at least ten guys need to crouch in a line letting their balls hang out, the new guy or dude who needs to be punished is dragged underneath the tunnel and will get a faceful of ballsacks. Voila, it's the teabag tunnel.
Moron: "I want to be in your crew, man! Leader: "Sure, but first you must complete the teabag tunnel!"
Pinching a woman's labia shut, and blowing her vagina full of air, then slowly letting the air escape, to create an extended pussy fart .
Well son, your moms mad as hell, because I gave her a Wyoming wind tunnel this morning !!!
noun
1 : A person who tends to say things with complete disregard of how others will receive the message.
2 : Butt's hole.
1 : My friend is a top teir taint tunnel.
2 : Always wipe your taint tunnel from left to right.
A male penis that has been surgically altered and transformed into a female vagina.
Tom: Yo! I finally had sex with Tiffany last night. She was able to take all 5 inches of my manhood in her vagina.
Jeff: What do you mean in her vagina? Last year Tiffany was named George. He had surgery to turn his dick into a sausage tunnel. You just put your penis in another penis.
Tom: whatever! A hole is a hole ahole!
A person who is thicc like gravy and has an open mind like a tunnel
Oh have you seen Jessica?
Yh shes a gravy tunnel aint she
When two sexual partners are both on all fours, facing opposite directions so their butthole are eye to eye and they keep passing the same fart back and forth into each other's anus.
You can tell those two do the Polish Wind Tunnel to each other; they're from Missouri, after all.
Tunnel time: the act of going indoor skydiving in order to gain experience & sense of comfort before attempting the real thing.
Our tinder dates were really confused when we handed them helmets & they'd need it for tunnel time.