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3.
A variation of the Dutch oven. It is the act of letting a silent fart when in bed with your wife or girlfriend, then slowly lifting your leg beneath the sheets (forming the "tunnel"), and then let your leg down, allowing the weight of the covers to gently waft the stench of your fart into the face of your significant other.
My wife is always complaining that I'm not romantic enough, so last night I gave her a Tunnel of Love.
by Dan I am February 06, 2010
 
1.
The flexible cavity connecting the uterus to the outside of the body -- i.e., the vagina.
"Tonight, I'm taking my first trip into the Tunnel of Love! That is, if Cynthia is feeling hospitable..."
by Reichu July 30, 2005
 
2.
The hollow tube used to insert gerbils or other small rodents into ones rectum for sexual gratification.
Hey Bruce grease up that tunnel of love so I can make a Habitrail of my ass.
by Mr. Tapeworm May 25, 2006
 
4.
Matt's ass, a great, unending cavern in which many things reside. Also acts as a dimensional portal connected to China through means unknown to mortal man.
"Look out! The chair's gonna be sucked into the tunnel of love!"
by Jerva September 14, 2003
 
5.
alot of cleavage. like dawns ;)
i likw dawns tunnel of love.
by The Capt. September 19, 2006