Farting under the covers and using a knee and elbow to direct the exhaust to your partners face when they are above the covers. Similar to a Dutch oven.
The best way to air out a fart in bed is by steam tunneling
The sexual act of putting Skittles up your partner's anus and eating them one by one as they come out.
Bob: I just tried a rainbow tunnel with my girlfriend!
Chris: Could you taste the rainbow???
Bob: Among other things...
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.
Derby Tunnel = (brit.) slang for "Hershey Highway"
i took a couple of strangers up the derby tunnel
Shoving a fleshlight in a man's ass and then fucking them. As to not be gay whilst having fun the the homies.
Jim-"Me and the boys where doing some Tucker Tunnelling last night"
Geoff-"And you didn't invite me?"
When two guys put their dicks side by side facing opposite ways and interlock their hands and jerk each other off at the same time.
Omg did you see Ron and Don dick tunneling last night? It was seriously one of the hottest things I’ve ever saw. I’m going to be jerking it to that image for a long time.